Cannot connect to SQL Server databases

All of a sudden I can't connect to SQL server databases from
my local machine. The databases are on a web server. It just
started happening, and I never had a problem with it before. I
can't connect to them in the coldfusion administrator, and I can't
connect to them using ODBC DSN's either. Has anyone ever run into
this before? I didn't change anything in the cf admin, and I
certainly didn't change any logins or passwords in SQL
Server.

I've been experiencing a similar problem. Everything was fine
but I had to reboot CF 8.01.
After the reboot all the datasources are very slow to respond
and we get lots of errors of the form :
Timed out trying to establish connection
A non-SQL error occurred while requesting a connection from
blah
Timed out trying to establish connection
A non-SQL error occurred while requesting a connection from
blah
Everything is working but very slow on database queries. This
happened a couple of months ago when we last
rebooted and then it went away.
Going to have a look for a new JDBC driver from adobe and see
if that helps ....

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SAP ECC6.0 cannot connect to SQL Server Database after recreating DB server

We had a disaster with our ECC 6.0 Development system a few days ago. The system is called “DEV”. The SQL Server database server got wiped out and we didn’t have a backup. Luckily, we did have a backup of the database. Our system engineers rebuilt the server and our DBA reinstalled SQL Server and restored the database. The database came up fine, but when we try to start SAP, it fails. “R3trans –d” also fails. The database is SQL Server 2008R2 10.50.2769. The OS is Windows Server 2008R2.
We verified that the “devadm” and “SAPServiceDEV” accounts have permissions on the on the server. We set the following Environment Variables for the devadm account on the database server:
DBMS_TYPE = mss
MSSQL_DBNAME = DEV
MSSQL_SCHEMA = dev
MSSQL_SERVER = <database server name>
SAPLOCALHOST = <database server name>
SAPSYSTEMNAME = DEV
We also set the following Registry Key:
HKEY_LOCAL_MACHINE/Software/SAP/DEV
Type:     REG_SZ
Value:   AdmUser
String:   <database server name>\devadm
We didn’t install any kind of SAP software on the database server.
Is there any kind of SAP components we need to install on the database server? Do we need to run the SAP installer on the database server to get everything setup correctly? I looked at another one of our SQL Server database servers and it has SAP Management Console installed and there is a C:\Program Files\SAP\hostcntl folder. I don't know what that is or it has anything to do with SAP being able to connect to the database.
Here is the error message in the R3trans log file:
4 ETW000 [     dev trc,00000] Wed Apr 29 09:44:39 2015 1501385 1.531756
4 ETW000 [     dev trc,00000] ERROR: -1 in function ExecuteAndFlush (SQLExecDirect) [line 6702]         35 1.531791
4 ETW000 [     dev trc,00000] (102) [42000] [Microsoft][SQL Server Native Client 10.0][SQL Server]Incorrect syntax near 'execute.'.
4 ETW000 22 1.531813
4 ETW000 [     dev trc,00000] <if user_name() != 'dev' execute as login = suser_sname(suser_sid('dev')) with no revert> failed -- connect terminated
4 ETW000 38 1.531851
4 ETW000 [    dblink ,00000] ***LOG BY2=>sql error 102    performing CON 56 1.531907
4 ETW000 [    dblink ,00000] ***LOG BY0=>[Microsoft][SQL Server Native Client 10.0][SQL Server]Incorrect syntax near 'execute.'.
4 ETW000 30 1.531937
2EETW169 no connect possible: "DBMS = MSSQL --- SERVER = '<db server name>' DBNAME = 'DEV'"
Please let me know what we need to do to get SAP to connect to the database.
Thanks,
Jerry

Here it is: 4 ETW000 R3trans version 6.22 (release 720 - 18.11.11 - 11:29:00). 4 ETW000 unicode enabled version 4 ETW000 =============================================== 4 ETW000 4 ETW000 date&time : 29.04.2015 - 19:33:01 4 ETW000 control file: 4 ETW000 R3trans was called as follows: R3trans -d 4 ETW000 trace at level 2 opened for a given file pointer 4 ETW000 [    dev trc,00000] Wed Apr 29 19:33:01 2015                                                  83 0.000083 4 ETW000 [    dev trc,00000] db_con_init called                                                        28 0.000111 4 ETW000 [    dev trc,00000] set_use_ext_con_info(): rsdb/ssfs_connect not set => ssfs not used        31 0.000142 4 ETW000 [    dev trc,00000] determine_block_commit: no con_hdl found as blocked for con_name = R/3 4 ETW000                                                                                                  20 0.000162 4 ETW000 [    dev trc,00000] create_con (con_name=R/3)                                                10 0.000172 4 ETW000 [    dev trc,00000] Loading DB library 'dbmssslib.dll' ...                                    31 0.000203 4 ETW000 [    dev trc,00000] DlLoadLib success: LoadLibrary("dbmssslib.dll"), hdl 0, addr 000007FEEE6D0000 4 ETW000                                                                                                1865 0.002068 4 ETW000 [    dev trc,00000]      using "D:\usr\sap\DEV\SYS\exe\uc\NTAMD64\dbmssslib.dll"              14 0.002082 4 ETW000 [    dev trc,00000] Library 'dbmssslib.dll' loaded                                            13 0.002095 4 ETW000 [    dev trc,00000] function DbSlExpFuns loaded from library dbmssslib.dll                    15 0.002110 4 ETW000 [    dev trc,00000] Version of 'dbmssslib.dll' is "720.00", patchlevel (0.200)                84 0.002194 4 ETW000 [    dev trc,00000] function dsql_db_init loaded from library dbmssslib.dll                  16 0.002210 4 ETW000 [    dev trc,00000] function dbdd_exp_funs loaded from library dbmssslib.dll                  11 0.002221 4 ETW000 [    dev trc,00000] New connection 0 created                                                  29 0.002250 4 ETW000 [    dev trc,00000] 0: name = R/3, con_id = -000000001, state = DISCONNECTED, tx = NO , bc = NO , hc = NO , perm = YES, reco = NO , frco = NO , timeout = 000, con_max = 255, con_opt = 255, occ = NO , prog = 4 ETW000                                                                                                  29 0.002279 4 ETW000 [    dev trc,00000] db_con_connect (con_name=R/3)                                            12 0.002291 4 ETW000 [    dev trc,00000] determine_block_commit: no con_hdl found as blocked for con_name = R/3 4 ETW000                                                                                                  16 0.002307 4 ETW000 [    dev trc,00000] find_con_by_name found the following connection:                          9 0.002316 4 ETW000 [    dev trc,00000] 0: name = R/3, con_id = 000000000, state = DISCONNECTED, tx = NO , bc = NO , hc = NO , perm = YES, reco = NO , frco = NO , timeout = 000, con_max = 255, con_opt = 255, occ = NO , prog = 4 ETW000                                                                                                  21 0.002337 4 ETW000 [    dev trc,00000] Thread ID:3492                                                          594 0.002931 4 ETW000 [    dev trc,00000] Thank You for using the SLODBC-interface                                  17 0.002948 4 ETW000 [    dev trc,00000] Using dynamic link library 'D:\usr\sap\DEV\SYS\exe\uc\NTAMD64\dbmssslib.dll' 4 ETW000                                                                                                  21 0.002969 4 ETW000 [    dev trc,00000] dbmssslib.dll patch info                                                  27 0.002996 4 ETW000 [    dev trc,00000]    SAP patchlevel 0                                                      12 0.003008 4 ETW000 [    dev trc,00000]    SAP patchno 200                                                        92 0.003100 4 ETW000 [    dev trc,00000]    Last MSSQL DBSL patchlevel 0                                            20 0.003120 4 ETW000 [    dev trc,00000]    Last MSSQL DBSL patchno        200                                    14 0.003134 4 ETW000 [    dev trc,00000]    Last MSSQL DBSL patchcomment Take care of warnings during database connect (1600066) 4 ETW000                                                                                                  18 0.003152 4 ETW000 [    dev trc,00000] ODBC Driver chosen: SQL Server Native Client 10.0 native                273 0.003425 4 ETW000 [    dev trc,00000] Network connection used from XXSAPDEV01 to XXSQLSAPDEV01 using tcp:XXSQLSAPDEV01 4 ETW000                                                                                                128 0.003553 4 ETW000 [    dev trc,00000] Network connection used from XXSAPDEV01 to XXSQLSAPDEV01 using tcp:XXSQLSAPDEV01 4 ETW000                                                                                              20908 0.024461 4 ETW000 [    dev trc,00000] Network connection used from XXSAPDEV01 to XXSQLSAPDEV01 using tcp:XXSQLSAPDEV01 4 ETW000                                                                                                3485 0.027946 4 ETW000 [    dev trc,00000] Driver: sqlncli10.dll Driver release: 10.50.2769                        3695 0.031641 4 ETW000 [    dev trc,00000] GetDbRelease: 10.50.2769.00                                              475 0.032116 4 ETW000 [    dev trc,00000] GetDbRelease: Got DB release numbers (10,50,2769,0)                      18 0.032134 4 ETW000 [    dev trc,00000] ERROR: -1 in function ExecuteAndFlush (SQLExecDirect) [line 6702]      6505 0.038639 4 ETW000 [    dev trc,00000] (102) [42000] [Microsoft][SQL Server Native Client 10.0][SQL Server]Incorrect syntax near 'execute.'. 4 ETW000                                                                                                  27 0.038666 4 ETW000 [    dev trc,00000] failed -- connect terminated 4 ETW000                                                                                                  31 0.038697 4 ETW000 [    dblink ,00000] ***LOG BY2=>sql error 102    performing CON                              49 0.038746 4 ETW000 [    dblink ,00000] ***LOG BY0=>[Microsoft][SQL Server Native Client 10.0][SQL Server]Incorrect syntax near 'execute.'. 4 ETW000                                                                                                  27 0.038773 2EETW169 no connect possible: "DBMS = MSSQL                            --- SERVER = 'XXSQLSAPDEV01' DBNAME = 'DEV'"

Sql developer won't connect with SQL server database on cluster

Hello,
I have a microsoft SQL server database on a windows cluster. Name for this cluster is like XXX/YYY
When I try to connect to this database with SQL developer, I get a failure, mentioning:
"Status : Failure -Cannot connect to Miscrosoft SQL Server on XXX/YYY"
As far as I know, I have installed the correct jtds driver (version 1.2.5), since I can connect to sql server databases on single server hosts.
Does anyone know how to connect to databases on windows clusters?
Edited by: Ingmar on Jan 16, 2012 4:08 PM
Edited by: Ingmar on Jan 16, 2012 4:22 PM

Hi Ingmar,
Try this is in the port box
1433/dbname;instance=YYY
dbname can be omitted
-Turloch
SQL Developer team
1/Giving an instance name in SQLDeveloper connection to SQL Server (from August 2011)
MS SQL Server Connection
The correct syntax to deal with this is in the port box
1433/dbname;instance=instance
dbname can be omitted
2/cluster configuration (uses instance name)
http://stackoverflow.com/questions/1160024/jdbc-connect-string-for-sql-server-cluster
where vvv\iii is the cluster address: jdbc address is:
"jdbc:sqlserver://vvv;instanceName=iii"
3/jtds url details available in
http://jtds.sourceforge.net/faq.html

Critical Error: Cannot Connect to SQL Server. {SQL Server} not found. Timeout expired.

Greetings,
I have been having some issues with various areas in a SharePoint 2013 farm. While working my way through a bazillion errors in the event logs, I have found the following error. It looks to be happening every hour; almost exactly 5 minutes after
every hour.
"Cannot connect to SQL Server. A_PROD_SP01 not found. Additional error information from SQL Server is included below.
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding."
I also find, a health analyzer rule that is failing at the same time:
Availability: One or more servers is not responding.
However, there isn't any server listed in the Failing Servers section.
Any thoughts?
Thank you,
Bob

Hi Bob,
For your issue, it can be caused by that the SharePoint database access account might not have the necessary permissions to communicate with the SQL Server. Please grant correct permissions to the database access account:
You must be a member of the Farm Administrators group to perform this task.
Assign the database access account:
On the Central Administration home page, click Security and in the
General Security section click Configure service accounts.
On the Service Accounts page, in the Credential Management section, in the upper drop-down list click the correct Web application pool for your Web application.
In the Select an account for this component drop-down list, click the domain account that you want to associate with this Web application pool, or click
Register new managed account to associate a new domain account with this application pool.
Click OK to save changes.
Reference:
https://technet.microsoft.com/en-in/library/ee513066(v=office.14).aspx
http://blogs.technet.com/b/wbaer/archive/2009/10/06/intermittent-database-server-connectivity-and-microsoft-sharepoint-products-and-technologies.aspx
Best Regards,
Eric
TechNet Community Support
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
[email protected]

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:
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im using also windows 8.1
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ty for ur reply

Not able to connect with Sql Server Database

Hi,
I'm not able to connect with Sql Server database.during making connection I'm getting the following error:
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Compare methods in C # to connect to SQL Server database in terms of speed,quality and functionality.

Please compare
methods in C # to connect to SQL Server
database (for example,
3-tier architecture of traditional and
entity Framework(linq to entity or linq to sql object model)
and Linq to SQL) in terms of speed, quality and functionality
to give me tips.
Thank you.
Mojtaba Malakouti.

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http://sqlblog.com/blogs/uri_dimant/
MS SQL optimization: MS SQL Development and Optimization
MS SQL Consulting:
Large scale of database and data cleansing
Remote DBA Services:
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Cannot connect to sql server after re installing IIS 6?

I re installed IIS 6, after the restart i couldn't connect to sql server engine nor seeing it when using browse for me, i was trying to install team foundation server, at first it could see that i have an sql server running after re installing IIS it can't
see it also. I'm using windows server 2003 SP2. Also i cannot remotely access it after the re installation

Just type the IP or name of the server (localhost) and try to connect.. SSRS 2005 requires IIS but how does it relate to SQL Server connection?
What error are you getting? Make sure that SQL Server is running up.
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http://sqlblog.com/blogs/uri_dimant/
MS SQL optimization: MS SQL Development and Optimization
MS SQL Consulting:
Large scale of database and data cleansing
Remote DBA Services:
Improves MS SQL Database Performance
SQL Server Integration Services:
Business Intelligence

How can I connect to SQL server database thru local network by using JSP?

I'm currently doing a project by using JSP..And I need to display record from the SQL Server database in our school's local network. May I know how can I do that? How can I write the code so that I can able to access the SQL Server databsase Throught school's network by using JSP? Please tell me step by step how can I do that. I'm using Tomcat 4.1 as Web Server. And I had J2SE and J2EE installed in my computer.

first you have to establish a ODBC DSN on your computer,
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i assume that the TOMCAT server is residing on your computer....(if the webserver is in other computer then you would have to create a System DSN on the data sources ODBC option in the settings>control pannel of that machine)
then you can use that DSN name to connect to the data base from the class file....for further assistance on how to create the class that access the tutorials in sun site.
regards
G

Cannot connect to SQL Server 2008 R2 Express

I have a database application that connects to the Northwind sample db in MS Access and lets the user perform CRUD operations.
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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.
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The request failed or the service did not respond in a timely fashion. Consult the event log or other applicable error logs for details.
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<add name="NwindConnectionString" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\Nwind.mdb" providerName="System.Data.OleDb"/>
</connectionStrings>
using this code to access it:
constringServer = ConfigurationManager.ConnectionStrings["NwindConnectionString"].ToString();
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<connectionStrings>
<clear/>
<add name="ServerConnectionString" connectionString="Data Source=SqlBox;Initial Catalog=YourCatalog;User Id=Username; Password=password;" providerName="System.Data.SqlClient"/><br/> </connectionStrings>
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Cannot connect to SQL SERVER with Always on availability group listener name

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I have setup always an availability group listener for sql server on port 1433, have opened the port in firewall , remote connections are enabled in the sql server, but still I am not able to connect to the sqlserver instance with the help
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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:
TCP Provider, error: 0 - The wait operation timed out.)"} System.Exception {System.Data.SqlClient.SqlException
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http://social.msdn.microsoft.com/Forums/sqlserver/en-US/227f431a-4274-4d95-b605-67541d78ef03/test-sql-connection-with-telnet?forum=sqldataaccess
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We successfully created odbc connection say "Test" to read SQL Server database using odbc admin.The issue we are facing in 11g is, we are unable to import tables using the database connection "Test" in to Admin tool.
In 10g we did not come across this issue. We used the same credentials and process incase of 10g and 11g to read SQL Server database, but we are facing the connection issues incase of 11g.
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Connecting to sql server database mdf file without installing sql server on client machine?

I am creating a window application that need to use sql server database. I want to install this application to client machine without installing sql server so that my application can still connect to a database i.e mdf file that i will be providing at client
system.
How can i connect to a database(mdf) on client machine through my window application without installing sql server. ? I dont know is it possible or not.
If possible what will be the connection string in that case. Database need not be used in network.

you cant connect and view the internals of mdf file unless it being attached to a sql server instance as a database.
The sql server instance can be installed in any box which is in the same domain and then you can connect from your application to it.
Please Mark This As Answer if it solved your issue
Please Mark This As Helpful if it helps to solve your issue
Visakh
My MSDN Page
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Connection to SQL Server Database

I am working on 4.6C. How can i connect to SQL Sever database ? I am new to this type of concept. Kindly do provide some suggessions !!!

Hi,
In general, if we want to hit database directly, we use..
EXEC.
ENDEXEC.
ex:
DATA: BEGIN OF wa,
        connid   TYPE spfli-connid,
        cityfrom TYPE spfli-cityfrom,
        cityto   TYPE spfli-cityto,
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DATA c1 TYPE spfli-carrid VALUE 'LH'.
EXEC SQL PERFORMING loop_output.
SELECT connid, cityfrom, cityto
INTO   :wa
FROM   spfli
WHERE carrid = :c1
ENDEXEC.
FORM loop_output.
WRITE: / wa-connid, wa-cityfrom, wa-cityto.
ENDFORM.

Cannot connect to SQL Server databases

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