Unable to connect to SQL Server : bad return code or status

When attempting to connect to a server running Windows Server 2008 R2 and SQL Server 2008 R2 the following error message is returned.
Error Connecting to Database
A SQLServer request resulted in a bad return code or status but no error message was returned.
The client is pointed to another similar server running Windows Server 2008 R2 and SQL Server 2008 R2, a connection can be made successfully. Looking at the registry both servers have the same version of MDAC 6.1.7601.17514.
UPDATE
The SQL Server Error Log records the following information.
Message
Length specified in network packet payload did not match number of bytes read; the connection has been closed. Please contact the vendor of the client library. [CLIENT: 10.1.30.106]
Message
Error: 17836, Severity: 20, State: 17.
It seems like the client is actually reaching the SQL Server but failing to login.

The version of MDAC on the server doesn't matter. It is the client version of MDAC/WDAC that is used. Do you know what SQL Server API the client application is using (i.e. ODBC, OLE DB, SqlClient, JDBC, etc)? You might try a simple connection
test from ODBC data source manager or script.
I think this may be error message from a Sybase client. That would explain a lot.
Dan Guzman, SQL Server MVP, http://www.dbdelta.com

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Unable to connect to SQL Server 2008 from OBIEE 11G(on 64 bit Linux box)

We are unable to connect to connect to SQL Server 2008 from OBIEE 11G which is on 64 bit Red Hat Enterprise Linux.
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Issue Description: Unable to connect to SQL Server 2008 from OBIEE11G RPD
Details: We are unable to connect to SQL Server 2008 from OBIEE which is on a 64 bit Linux box. We created the ODBC connection on Linux box to the SQL server. Whenever we try to import metadata it throws an error that says ‘Connection Failed’.
Here are the steps we followed to setup the ODBC connection on Linux box.
1) We updated the user.sh file with the LD_LIBRARY_PATH and LD_LIBRARY_PATH_64 values that point to $ORACLE_HOME/bifoundation/odbc/lib
This is where we found the driver for SQL server SEmsss23.so.
2) We updated the odbc.ini file with the entry for SQL server with the connection details
SI_SQL_Server_DEV = SQL Server
[SI_SQL_Server_DEV]
Driver=/u001_OAS/Oracle/Middleware/Oracle_BI1/bifoundation/odbc/lib/SEmsss23.so
Description=DataDirect 5.1 SQL Server Wire Protocol
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The error in nqsserver.log file says “[nQSError: 16001] ODBC error state: IM002 code: 0 message: [DataDirect][ODBC lib] Data source name not found and no default driver specified.”

Hi,
Make sure SQL Configuration Manager make sure the TCP/IP enabled. please try below method
Method 1
Re Create a new ODBC & Oracle Bi Server DSN Configuration test it and use it in the connection pools.
define your ODBC data source in your server where the BI Server is installed. Check your DB connections in your physical layer and make they are defined on your BI Server as well.
Method 2:
try using the complete TNS in below format in the datasource name section:
(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST =DB IP)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = ORCL) ) and provide the credentials.
Method 3:
To use the OCI call interface you need to have oracle client DB to be installed so that you can establish a connection using that DB credentials and connect to the remote dB and then import the tables.....this is the rule of thumb.
hope helps you.
Thanks
Deva

Unable to connect to sql server database

i run on CMD:
aspnet_regsql -C "Data Source =Davidchamoun/sqlexpress : intergrated security= true" -ssadd -sstype p
i got
a network-related or instance-specific error occurred while establishing a connection to sql server. the server
was not found or was not accessible. verify that the instance name is correct and that sql server is configured to allow remote connections. (provider: SQL Network interfaces . error: 25 – connection string is not valid
unable to connect to sql server database.
im using sql sever 2012 express, microsoft visual studio web 2008 express.
please help me.

i run it as :
aspnet_regsql -C "Data Source =Davidchamoun\sqlexpress : integrated security= true" -ssadd -sstype p
i got the same error :
an error has occurred . details of the exception:
a
network-related or instance-specific error occurred while establishing a connection to sql server. the server was not found or was not accessible. verify that the instance name is correct and that sql server is configured to allow remote connections. (provider:
SQL Network interfaces . error: 25 – connection string is not valid
unable to connect to sql server database.
im using also windows 8.1
pls help me
ty for ur reply

Linked Server unable to Connect in SQL Server 2012 after Restarting SQL Server Service it works fine. Why?

I have created a Linked Server to Access Database of 64 MB in Size located in Remote System to SQL Server 2012.In Start for Some time it works fine and after it is giving the Error
OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST" returned message "Cannot open a database created with a previous version of your application.".
Msg 7303, Level 16, State 1, Procedure Insert_Records_Into_Actual_Calls_History, Line 29
Cannot initialize the data source object of OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST".
Previously I thought it as Permission Issue. By trying some fixes proposed in forums it not fixed. But, after restarting the SQL Server Services without changes to the linked Server it works perfectly. How could i fix it. I don't want restart the SQL Server
Service it leads to Some other process failures.
RehaanKhan. M

After all the Errors, When I am restarting the SQL Server its working correctly.
Whats the problem it is clearing itself after restarting of SQL Server. Why ?. I can't find anything regarding this in SQL Server .
The following are the Errors i got connecting to SQl Server.
OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST" returned message "Cannot open a database created with a previous version of your application.".
Msg 7303, Level 16, State 1, Procedure Insert_Records_Into_Actual_Calls_History, Line 29
Cannot initialize the data source object of OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST".
Error-2:
Executed as user: RMS\Administrator. Cannot initialize the data source object of OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST". [SQLSTATE 42000] (Error 7303) OLE DB provider
"Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST" returned message "Cannot open a database created with a previous version of your application.". [SQLSTATE 01000] (Error 7412). The step failed.
After unchecking the Allow In Process in OLEDB.ACE Provider Properties.
Msg 7399, Level 16, State 1, Procedure Insert_Records_Into_Actual_Calls_History, Line 29
The OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST" reported an error. Access denied.
Msg 7301, Level 16, State 2, Procedure Insert_Records_Into_Actual_Calls_History, Line 29
Cannot obtain the required interface ("IID_IDBCreateCommand") from OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "LANDLINE_TEST".
for to fix above error i have followed the instructions in the following link,
http://blogs.msdn.com/b/dataaccesstechnologies/archive/2010/08/19/permissions-needed-to-set-up-linked-server-with-out-of-process-provider.aspx
This also failed to work. I Restarted SQL Server and make the Linked Server Properties Default to my Configuration and it works fine.
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Thank you.
RehaanKhan. M

Unable to connect to sql server 2008

i have windows 8 64-bit on my system, i installed sql server 2008 it installed successfully, but now i'm unable to open server management studio, it is showing error like "provider:named pipes provider, error:40-
could not open a connection to sql server microsoft sql
server, error:2" and in configuration manager there is nothing under "sql server services and sql server network configuration"kindly help me to fix this problem

Hello,
Please run the Discovery Report as shown in the following resource and make sure the Database Engine Services is listed
on the report.
http://blogs.msdn.com/b/petersad/archive/2009/11/13/sql-server-2008-discovery-report.aspx
If the Database Engine Services is listed on the report, please apply SP3 for SQL Server 2008 since SQL Server is not compatible with Windows 8 without that service pack.
http://support.microsoft.com/kb/2681562
Hope this helps.
Regards,
Alberto Morillo
SQLCoffee.com

Unable to connect to sql server 2008 r2 after upgrading from framework 4.0 to 4.5.2 in windows 7 environment

Hi All,
BackGround
I used to connect to database with Encrypt set true in sql connection which helps established encrypted data base connection . I verified that created certificate in order
to provide Encrypted connection to database for client is valid.
Issue :Issue
is un-able to connect to sql sever2008 r2 from vs2013 by enforcing encryption to true.
while trying to test the connection from vs2013 error log getting recorded as well as error notification is getting populated as below .
Step1 :
from Vs2013 trying to connect to sql server 2008 r2
step 2: on Click test Connection . getting below mentioned error notification
Event Viewer Log:<o:p></o:p>
<o:p></o:p>
(Process Id: 7472)
<o:p></o:p>
.Net SqlClient Data Provider:<o:p></o:p>
A connection was successfully established with the server, but then an error
occurred during the login process. (provider: SSL Provider, error: 0 - The
target principal name is incorrect.)<o:p></o:p>
   at
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception,
Boolean breakConnection, Action`1 wrapCloseInAction)<o:p></o:p>
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject
stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)<o:p></o:p>
   at
System.Data.SqlClient.TdsParserStateObject.SNIWritePacket(SNIHandle handle,
SNIPacket packet, UInt32& sniError, Boolean canAccumulate, Boolean
callerHasConnectionLock)<o:p></o:p>
   at System.Data.SqlClient.TdsParserStateObject.WriteSni(Boolean
canAccumulate)<o:p></o:p>
   at System.Data.SqlClient.TdsParserStateObject.WritePacket(Byte
flushMode, Boolean canAccumulate)<o:p></o:p>
   at System.Data.SqlClient.TdsParser.TdsLogin(SqlLogin rec,
FeatureExtension requestedFeatures, SessionData recoverySessionData)<o:p></o:p>
   at
System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo
serverInfo, String newPassword, SecureString newSecurePassword, Boolean
ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)<o:p></o:p>
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System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo
serverInfo, String newPassword, SecureString newSecurePassword, Boolean
redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential
credential, TimeoutTimer timeout)<o:p></o:p>
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System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer
timeout, SqlConnectionString connectionOptions, SqlCredential credential,
String newPassword, SecureString newSecurePassword, Boolean
redirectedUserInstance)<o:p></o:p>
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System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity
identity, SqlConnectionString connectionOptions, SqlCredential credential,
Object providerInfo, String newPassword, SecureString newSecurePassword,
Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions,
SessionData reconnectSessionData)<o:p></o:p>
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System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions
options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo,
DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions
userOptions)<o:p></o:p>
   at
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool
pool, DbConnection owningObject, DbConnectionOptions options,
DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)<o:p></o:p>
   at
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection
owningObject, DbConnectionOptions userOptions, DbConnectionInternal
oldConnection)<o:p></o:p>
   at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection
owningObject, DbConnectionOptions userOptions, DbConnectionInternal
oldConnection)<o:p></o:p>
   at
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection
owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate,
Boolean onlyOneCheckConnection, DbConnectionOptions userOptions,
DbConnectionInternal& connection)<o:p></o:p>
   at
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection
owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions,
DbConnectionInternal& connection)<o:p></o:p>
   at
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection
owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions
userOptions, DbConnectionInternal oldConnection, DbConnectionInternal&
connection)<o:p></o:p>
   at
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection
outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1
retry, DbConnectionOptions userOptions)<o:p></o:p>
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System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)<o:p></o:p>
   at
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)<o:p></o:p>
   at System.Data.SqlClient.SqlConnection.Open()<o:p></o:p>
Inner Exception:<o:p></o:p>
:<o:p></o:p>
The target principal name is incorrect

The target principal name is incorrect
Hi Rahul.U,
Are you able to connect to SQL Server successfully from SQL Server Management Studio (SSMS) when enforcing encryption?
According to above error message, it could be caused by the inappropriate server name or incorrect TrustServerCertificate configuration in the connection string from Visual Studio. There are some proposals for you troubleshooting this error.
1. Make sure that you connect to the SQL server using the fully qualified domain name (FQDN).
2. When connecting to a SQL Server instance with a valid certificate, please add the
TrustServerCertificate
parameter and set it to true in the connection string. For more details, please review this
article.
However, if you can successfully connect to SQL Server via SSMS, but still fail to connect to SQL Server from Visual Studio, I would like to recommend you post the question in the .Net Framework forum at
https://social.msdn.microsoft.com/Forums/vstudio/en-US/home?category=netdevelopment . It is appropriate and more experts will assist you.
There are similar articles about error “The target principal name is incorrect” for your reference.
http://serverfault.com/questions/458935/aws-rds-sql-server-ssl-connection-the-target-principal-name-is-incorrect
http://www.derekseaman.com/2013/09/sql-2012-failover-cluster-pt-12-kerberos-n.html
Thanks,
Lydia Zhang
Lydia Zhang
TechNet Community Support

Borland C++ Delphi application is not able to connect to SQL Server as Non Admin user

Hi,
I am working on a Borland C++ and Delphi application. This application connects to SQL Server and returns database queries results. Once we migrated to windows Server 2003 we have started facing an issue.
1. IF we login to client application as admin user then this connects properly with SQL Server and returns database queries.But if we connect using Non- Admin users then application is not able to connect SQL Server.
SQL Server 2008
Windows Server 2003.
Can anybody help on this.
Thanks in Advance.
Rakesh

This application is written in Borland C++ and Delphi running on Windows 2003 Server. This is a Windows GUI based small tool. Basic functionality of the tool is : 1) Once we invoke the tool it connects to DB(SQL Server 2005) and populates a list of
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name for our Database)
Msg:Application Exception : Cannot locate or connect to SQL server.Unable to connect: SQL Server is unavailable or does not exist. Specified SQL
server not found.Alias:
TiltData1 occurred in main thread.
As for the connection string
'DATABASE NAME=tiltdata'
'SERVER NAME=SDV3'
'USER NAME=sa'
'OPEN MODE=READ ONLY'
'SCHEMA CACHE SIZE=8'
'BLOB EDIT LOGGING='
'LANGDRIVER='
'SQLQRYMODE=SERVER'
'SQLPASSTHRU MODE=NOT SHARED'
'DATE MODE=0'
'SCHEMA CACHE TIME=-1'
'MAX QUERY TIME=300'
'MAX ROWS=-1'
'BATCH COUNT=612'
'ENABLE SCHEMA CACHE=FALSE'
'SCHEMA CACHE DIR='
'HOST NAME='
'APPLICATION NAME=QueryTool'
'NATIONAL LANG NAME='
'ENABLE BCD=FALSE'
'TDS PACKET SIZE=65535'
'BLOBS TO CACHE=64'
'BLOB SIZE=32'
'PASSWORD=jstart')
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Regards
Rakesh

Weblogic workshop 10.3-- I am trying to connect to SQL server

Hi,
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Regards,
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Hi,
Have you created database connection pool and datasource in admin console pointing to your SQL server? Once you have created both, try connecting from workshop using databse control with the help of already created connection poll and datasource.
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"Unable to load URL" - SQL Server 2005 DB Web Service Connection

Hi ,
I am using XCelsius version 5.0.0.99 to create dashboards connecting to SQL Server 2005.
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Thanks
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Hi,
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   Copyright (c) Microsoft Corporation
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Unable to establishing a connection to SQL Server created via SqlManagementClient

Goal:
create an Azure SQL Server via .NET (Microsoft.WindowsAzure.Management.Sql.Modules.SqlManagementClient) and add a database to it.
Problem:
I am NOT able to access the newly created server from .Net code.
Description:
Using SqlManagementClient I SUCCESFULLY create a new Azure SQL Server (see code below).
After creating the server, I am able to access the new server from Azure Portal.
* firewall rule show valid client machine
* "Windows Azure Services" is set to "Yes"
An error occures when I try connecting to the database using the same user and pwd used to create it.
/* the following code results in a connection failure */
//string server = <name of newly created sql server>
//string db = <name of new database to create, inside of the server>
public void CreateDatabase(string server, string db)
using (ReliableSqlConnection conn = new ReliableSqlConnection(
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/* the following code creates a sql server and firewall rules */
ServerCreateResponse response;
SubscriptionCloudCredentials creds;
X509Certificate2 cert;
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cert = CredentialUtil.GetCertificate(certificateStoreName, certificateStoreLocation, certificateThumbprint);
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creds = new CertificateCloudCredentials(azureSubscriptionId, cert);
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  //// <MyInternetIp> would be my actual IP address.
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  validIPs = new List<string>() {"0.0.0.0", "<MyInternetIp>"};
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/// Error
System.Data.SqlClient.SqlException was unhandled
HResult=-2146232060
Message=A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections.
(provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
Source=.Net SqlClient Data Provider
ErrorCode=-2146232060
Class=20
LineNumber=0
Number=53
Server=""
State=0

Using SqlManagementClient I SUCCESFULLY create a new Azure SQL Server.
ServerCreateResponse response;
SubscriptionCloudCredentials creds;
X509Certificate2 cert;
cert = CredentialUtil.GetCertificate(parameters.CertificateStoreName, parameters.CertificateStoreLocation, parameters.CertificateThumbprint);
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using (SqlManagementClient client = new SqlManagementClient(creds))
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Sharepoint Integrated SQL Reporting - Unable to connect to the server that is specified......

This is driving me crazy. I have Reporting services implemented on several sites in Sharepoint. For some reason just one site refuses to work. I see all the features are there. I can create data sources.
When I try to create a report I get :
"Unable to connect to the server that is specified in the URL,
http://help.site. Make sure that the server is running, the URL is correct, and you have permission to use the server"
I'm using my domain admin account, I know know this works on every other site. I know I haven't forgotten the general setup of the service.
The only difference is this site allows "anonymous" connections. Has anyone heard of an issue about using anon and reporting services? Either way I authenticate before I login but that doesn't have an effect.
David Jenkins

Thank you forums!!!!
I found an existing thread.
http://social.technet.microsoft.com/Forums/en-US/sharepoint2010setup/thread/d815b9fb-3431-490d-bd51-e7e21fcb788e
1) Opened up IIS
2) Expanded my intranet folder
3) Expanded _vti_bin
4) Highlighted "ReportServer"
5) Double Clicked on Authentication
6) Disabled "Anonymous Access" to the reporting folder itself
7) Opened report builder 3.0 and typed in http://intranet.company.com" BOOM instant connection :D
David Jenkins

A network-related or instance-specific error occurred while establishing a connection to SQL Server.

Dear all,
I know that this topic may be a bit old school; but it really make me mad as I tried all solutions i found and it still cant be resolved....please give a hand...
The situation is like this,my company divided different platform as a status of project, like DEV, SIT and UAT. I got a project that require me to upgrade an vs2003 project to vs2005. I upgraded it completely and
successfully, it works fine in development and UAT platform; EXCEPT, the SIT platform.
The situation is very strange that, once I move the source to SIT, it return the following error:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections.
(provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
but it never happen in either DEV or UAT platform and even do I copy the workable web.config from DEV or UAT platform to SIT, the error still here and unable to resolve it.
I search a lot in the internet by Google, but solution suggested are not suitable or fail in my case. Most answer suggest that "enable remote control", "check fire wall", "check server" etc......But as I can connect well the
DBServer in DEV and UAT properly, I dont think those are the cause(but still, I check them all, and all are enabled properly, except my firewall setting is OFF, so adding port is ignored).
After all the searching and testing, I believed and have reason to believe that, the cause is inside my web.config:
<appSettings>


<clear/>
<add key="Environment" value="UAT v1.31"/>
<add key="DBServer" value="DB_UAT"/>
<add key="cnBPSS.ConnectionString" value="data source=DB_UAT\BPSS;persist security info=True;user id=theloginid;workstation id=RP_UAT;packet size=4096;pwd=theloginpwd"/>
<add key="UTBPSSConn.ConnectionString" value="data source=DB_UAT\BPSS;persist security info=False;user id=theloginid;workstation id=RP_UAT;packet size=4096;pwd=theloginpwd"/>
<add key="UTDSBDBConn.ConnectionString" value="workstation id=RP_UAT;packet size=4096;user id=theloginid;data source=DB_UAT\DSBDB;persist security info=False;password=theloginpwd"/>
<add key="cnDSBDB.ConnectionString" value="workstation id=RP_UAT;packet size=4096;user id=theloginid;data source=DB_UAT\DSBDB;persist security info=False;password=theloginpwd"/>
<add key="Timer1.Enabled" value="True"/>
<add key="Timer1.AutoReset" value="True"/>
<add key="cnbpss.ConnectionString" value="data source=DB_UAT\BPSS;password=theloginpwd;persist security info=True;user id=theloginid;workstation id=RP_UAT;packet size=4096"/>
<add key="cnbpss1.ConnectionString" value="data source=DB_UAT\BPSS;password=theloginpwd;persist security info=True;user id=theloginid;workstation id=RP_UAT;packet size=4096"/>
</appSettings>
</configuration>
I know such kind of setting is old school; But due to this program runs for few years from tons of ppl...I dont dare to modify it unless I am very sure they are the cause.....
May I ask if anyone cna give me some advice and help in this issue please? I already tried for weeks and turning mad....Please I really need some help...
Many thanks.
Ksun Chan

Checklist of possible reason of this error
1. Check SQL services are running
2. Check SQL Browser service is running
3. Check remote connections are enabled
4. Network connectivity between database & application servers by TRACERT command
5. Check TCP/IP protocol enabled at SQL server
6. Check talent connectivity – telnet <IP address> <port no on SQL server running>
7. Check UDP port 1434 is open or not on SQL Server
8. Check firewall is running or not Check
9. If firewall running, SQL Server & UDP port must be added in exception in firewall
Regards,
Rohit Garg
(My Blog)
This posting is provided with no warranties and confers no rights.
Please remember to click Mark as Answer and Vote as Helpful on posts that help you. This can be beneficial to other community members reading the thread.

Database Connection in SQL Server 2000

Hi All!
I would like to ask your expertise regarding JDBC-MS SQL Server 2000.
I have here a sample code in connecting to SQL Server 2000, AgriMrpPrd Database using the account "sa" and the password "092802". I have tried running the code in my local server at home and It successfully runs, but when I tried running it on my local server in the office, I was not able to create a connection object though I already have changed the HOST, PORT, DATABASE, USERNAME, and PASSWORD values.
I have tried logging in using my local account, removed the LAN connection, start my local server and tried connecting to it but still it does not work.
I have tried turning the firewall OFF and try reconnecting but it there was no improvement.
I do not know if there is a difference if there is my computer is on a DOMAIN (althought I am only connecting to my local server).
Source Code:
import javax.swing.*;
import java.sql.*;
import com.microsoft.jdbc.sqlserver.*;
public class SQLServerConnection{
public String un, pw, db, host, port, url, driver;
public Connection conn=null;
public void connectDB(){
String msg="",title="MS SQL Server - JDBC:ODBC Connection";
int msgType=0;
driver="com.microsoft.jdbc.sqlserver.SQLServerDriver";
host="206.101.216.95";
port="1433";
un="sa";
pw="092803";
db="AgriMrpPrd";
url="jdbc:microsoft:sqlserver://" + host + ":" + port + ";DatabaseName=" + db;
try{
Class.forName(driver);
conn=DriverManager.getConnection(url,un,pw);
System.out.println("Connected to Database!");
}catch(Exception ex){
msg="Unable to connect to MS SQL Server!";
msgType=JOptionPane.ERROR_MESSAGE;
JOptionPane.showMessageDialog(null,msg,title,msgType);
System.exit(0);
public static void main(String args[]){
SQLServerConnection ssc=new SQLServerConnection();
ssc.connectDB();
Please give me wisdom in handling this problem...
Take care always and God blesss
MADz

Hi All!
I would like to ask your expertise regarding JDBC-MS
SQL Server 2000.
I have here a sample code in connecting to SQL Server
2000, AgriMrpPrd Database using the account "sa" and
the password "092802". I have tried running the code
in my local server at home and It successfully runs,
but when I tried running it on my local server in the
office, I was not able to create a connection object
though I already have changed the HOST, PORT,
DATABASE, USERNAME, and PASSWORD values.If the code runs in one place and not the other, it's got to be a problem with seeing the host.
I have tried logging in using my local account,
removed the LAN connection, start my local server and
tried connecting to it but still it does not work.
I have tried turning the firewall OFF and try
reconnecting but it there was no improvement.
I do not know if there is a difference if there is my
computer is on a DOMAIN (althought I am only
connecting to my local server).I have no idea how to fix your problem, but there are several things to comment on about your code:
(1) You don't have to import the microsoft package. It's actually a bad idea.
(2) I'd name this class DbConnection, because if you wrote it properly it might have a chance of being useful wih other databases, too.
(3) You hardwire all the connection information. Better to pass it in so changing the database doesn't require a recompile.
(4) It's bad to mingle Swing and database code. Take those JOptionPane calls out.
(5) Print the stack trace out when you catch an exception. You're losing a lot of information by handling it that way.
%

Null connection when trying to connect to SQL Server 2000 in Tomcat4.1.29

Hi All,
I am still struggling with null connection when trying to connect to sql server 2000 with tomcat using sun.jdbc.odbc.JdbcOdbcDriver
Here is my server.xml
<Server port="8005" shutdown="SHUTDOWN" debug="0">
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
debug="0"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>
<GlobalNamingResources>
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved">
</Resource>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
</ResourceParams>
<Resource auth="Container" description="Users and Groups
Database" name="UserDatabase"
scope="Shareable"
type="org.apache.catalina.UserDatabase"/>
<Resource name="jdbc/DefaultDS" scope="Shareable"
type="javax.sql.DataSource"/>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.
MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
</ResourceParams>
<ResourceParams name="jdbc/DefaultDS">
<parameter>
<name>validationQuery</name>
<value></value>
</parameter>
<parameter>
<name>user</name>
<value>sa</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>4</value>
</parameter>
<parameter>
<name>password</name>
<value>sa</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>2</value>
</parameter>
</ResourceParams>
</GlobalNamingResources>

<Service name="Tomcat-Standalone">
<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8080" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="100" debug="0" connectionTimeout="20000"
useURIValidationHack="false" disableUploadTimeout="true" />




<Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
port="8009" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" connectionTimeout="0"
useURIValidationHack="false"
protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_log." suffix=".txt"
timestamp="true"/>

<Host name="localhost" debug="0" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Logger className="org.apache.catalina.logger.FileLogger"
directory="logs" prefix="localhost_log." suffix=".txt"
timestamp="true"/>
<Environment name="maxExemptions" type="java.lang.Integer"
value="15"/>
<Parameter name="context.param.name" value="context.param.value"
override="false"/>
<Resource name="jdbc/DefaultDS" auth="container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/DefaultDS">

<parameter>
<name>maxActive</name>
<value>8</value>
</parameter>

<parameter>
<name>maxIdle</name>
<value>4</value>
</parameter>

<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>

<parameter>
<name>user</name>
<value>sa</value>
</parameter>
<parameter>
<name>password</name>
<value>sa</value>
</parameter>

<parameter>
<name>driverClassName</name>
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>

<parameter>
<name>url</name>
<value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
</parameter>

<parameter>
<name>description</name>
<value>JDBC Driver: sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
</ResourceParams>
<Resource name="mail/Session" auth="Container"
type="javax.mail.Session"/>
<ResourceParams name="mail/Session">
<parameter>
<name>mail.smtp.host</name>
<value>localhost</value>
</parameter>
</ResourceParams>
<ResourceLink name="linkToGlobalResource"
global="simpleValue"
type="java.lang.Integer"/>
</Host>
</Engine>
</Service>
</Server>
and my web.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>
<resource-ref>
<res-ref-name>jdbc/DefaultDS</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
and JBoss-SQL is data source I created from control panel settings and here is way I am retrieving connetion
InitialContext initCtx = new InitialContext();
DataSource ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/DefaultDS");
Connection con = ds.getConnection();
return con;
I tried connecting as mentioned in this website
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jndi-datasource-examples-howto.html#Common%20Problems.But didn't help
Please help urgent
Sorry for long file. Can any one please help me in solving this problem.
Thanks in advnace
Kurakula

I'd recommend that you not use the JDBC-ODBC bridge driver to connect to SQL Server. M$ and jTDS are two free type IV JDBC drivers that you should use instead. Put those JARs in the WEB-INF/lib directory.
The database URL you're using is not correct if you change drivers. Consult the docs to find out what the proper syntax is.
MOD

Unable to connect to SQL Server : bad return code or status

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