Attempt to start transaction on SQL server

I have managed to successfully configure Oracle 8.1.7 on NT to retrieve data from a MS
SQL Server (version 6.5)
However, one of the databases we are accessing is set up as read only; Oracle is
attempting a start transaction, as it recognises that the SQL server can take
part in distributed transaction. I am doing something like
insert into mytable (a, b, c) select a, b, c from remote_table@sql_server
Because the SQL Server is in read-only mode, the 'start transaction' fails,
and the insert statement fails as a whole (I've examined the trace file, and the
error I'm getting is reproducable on the SQL server if I type it in)
I've tried looking at the data dictionary, and sure enough it is set up for
2 phase commit as per the documentation.
My question is, can I tell Oracle to not attempt the 'start transaction' on the
remote system? I've tried various DBMS_HS calls but to no avail (from the
documentation I believe the agent overrides the data dictionary entries anyway)
Thanks,
Colin McPherson

Colin,
This looks like bug 1622021. This bug has been fixed in v9.0.1 of the gateway.

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Sql server service will not start after server reboot:
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there is plenty of room on the server, so i dont think its a disk space issue. i am able to start the service as such:
C:\Users\Administrator>net start MSSQL$MSDB1 /c /m /T3608
The SQL Server (MSDB1) service is starting.
The SQL Server (MSDB1) service was started successfully
sqlcmd -e
1> select name, status from sysdatabases;
2> go
select name, status from sysdatabases;
name
                                                 status
master
                                                       65544
tempdb
                                                       65544
model
                                                       65568
msdb
                                                  1073807368
SS_DBA_Dashboard
                                                  1073807368
(5 rows affected)
model is in RESTORING state and I dont know how to fix it. I am running simple backups, so I have a somewhat recent backup of model.bak but when I attempt to restore it I get an error:
1> restore database model
2> go
restore database model
Msg 3112, Level 16, State 1, Server WIN-37R9WFWAJIB\MSDB1, Line 1
Cannot restore any database other than master when the server is in single user
mode.
Msg 3013, Level 16, State 1, Server WIN-37R9WFWAJIB\MSDB1, Line 1
RESTORE DATABASE is terminating abnormally.
other forums suggest manually updating the status column but i dont know if my syntax is wrong or it just cant be done in sql server 2008:
1> begin transaction
2> update sysdatabases set status=16 where name='model'
3> ;
4> go
begin transaction
update sysdatabases set status=16 where name='model'
Msg 4406, Level 16, State 1, Server WIN-37R9WFWAJIB\MSDB1, Line 2
Update or insert of view or function 'sysdatabases' failed because it contains a
derived or constant field.
1>
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I have the same issue on SQL Server 2008R2, after a server reboot, but none of the NET START commands or command line attempts are successful to start the Service.
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2011-03-29 16:50:49.40 Server      (c) Microsoft Corporation.
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Start SQL Server in Single-User Mode
Provide Feedback
Under certain circumstances, you may have to start an instance of SQL Server
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Out.
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sc \\RemoteServerName START ServiceName -m
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Hello,
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Not able to access database from a remote machine using SQL Server Management Studio

Hi,
I have a DB_BOX with SQL Server 2008 R2 installed. I can access the databases on the local machine using SQL Server Management Studio but it is not accessible from other machines, though the machines are in same domain.
I have remote enabled on SQL Server box, TCP enabled, firewall off. I checked with IP Address too, all SQL Server services are running.
The SQL Server log shows the message
The requested service has been stopped or disabled and is unavailable at this time. The connection has been closed.
I get the below message in SSMS from remote machine.
Details of error message are
===================================
Cannot connect to DB_BOX.
===================================
A connection was successfully established with the server, but then an error occurred during the login process. (provider: TCP Provider, error: 0 - The specified network name is no longer available.) (.Net SqlClient Data Provider)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=64&LinkId=20476
Server Name: DB_BOX
Error Number: 64
Severity: 20
State: 0
Program Location:
   at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
   at System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error)
   at System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj)
   at System.Data.SqlClient.TdsParserStateObject.ReadNetworkPacket()
   at System.Data.SqlClient.TdsParserStateObject.ReadBuffer()
   at System.Data.SqlClient.TdsParserStateObject.ReadByte()
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
   at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject)
   at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart)
   at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
   at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
   at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
   at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
   at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
   at System.Data.SqlClient.SqlConnection.Open()
   at Microsoft.SqlServer.Management.SqlStudio.Explorer.ObjectExplorerService.ValidateConnection(UIConnectionInfo ci, IServerType server)
   at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()

Sorry, missed the message from the errorlog in the original post. You shouldn't have included that big .Net dump that hid the important facts. :-)
My first Google attempt on that message (which I have never seen before) suggests that the TCP Enpoint is stopped, so try this:
ALTER ENDPOINT [TSQL Default TCP]
STATE=STARTED;
Erland Sommarskog, SQL Server MVP, [email protected]
This solves the problem. Thanks...

Welcome to the SQL Server Disaster Recovery and Availability Forum

(Edited 8/14/2009 to correct links - Paul)
Hello everyone and welcome to the SQL Server Disaster Recovery and Availability forum. The goal of this Forum is to offer a gathering place for SQL Server users to discuss:
Using backup and restore
Using DBCC, including interpreting output from CHECKDB and related commands
Diagnosing and recovering from hardware issues
Planning/executing a disaster recovery and/or high-availability strategy, including choosing technologies to use
The forum will have Microsoft experts in all these areas and so we should be able to answer any question. Hopefully everyone on the forum will contribute not only questions, but opinions and answers as well. I’m looking forward to seeing this becoming a vibrant forum.
This post has information to help you understand what questions to post here, and where to post questions about other technologies as well as some tips to help you find answers to your questions more quickly and how to ask a good question. See you in the group!
Paul Randal
Lead Program Manager, SQL Storage Engine and SQL Express
Be a good citizen of the Forum
When an answer resolves your problem, please mark the thread as Answered. This makes it easier for others to find the solution to this problem when they search for it later. If you find a post particularly helpful, click the link indicating that it was helpful
What to post in this forum
It seems obvious, but this forum is for discussion and questions around disaster recovery and availability using SQL Server. When you want to discuss something that is specific to those areas, this is the place to be. There are several other forums related to specific technologies you may be interested in, so if your question falls into one of these areas where there is a better batch of experts to answer your question, we’ll just move your post to that Forum so those experts can answer. Any alerts you set up will move with the post, so you’ll still get notification. Here are a few of the other forums that you might find interesting:
SQL Server Setup & Upgrade – This is where to ask all your setup and upgrade related questions. (http://social.msdn.microsoft.com/Forums/en-US/sqlsetupandupgrade/threads)
Database Mirroring – This is the best place to ask Database Mirroring how-to questions. (http://social.msdn.microsoft.com/Forums/en-US/sqldatabasemirroring/threads)
SQL Server Replication – If you’ve already decided to use Replication, check out this forum. (http://social.msdn.microsoft.com/Forums/en-US/sqlreplication/threads)
SQL Server Database Engine – Great forum for general information about engine issues such as performance, FTS, etc. (http://social.msdn.microsoft.com/Forums/en-US/sqldatabaseengine/threads)
How to find your answer faster
There is a wealth of information already available to help you answer your questions. Finding an answer via a few quick searches is much quicker than posting a question and waiting for an answer. Here are some great places to start your research:
SQL Server 2005 Books Onlinne
Search it online at http://msdn2.microsoft.com
Download the full version of the BOL from here
Microsoft Support Knowledge Base:
Search it online at http://support.microsoft.com
Search the SQL Storage Engine PM Team Blog:
The blog is located at https://blogs.msdn.com/sqlserverstorageengine/default.aspx
Search other SQL Forums and Web Sites:
MSN Search: http://www.bing.com/
Or use your favorite search engine
How to ask a good question
Make sure to give all the pertinent information that people will need to answer your question. Questions like “I got an IO error, any ideas?” or “What’s the best technology for me to use?” will likely go unanswered, or at best just result in a request for more information. Here are some ideas of what to include:
For the “I got an IO error, any ideas?” scenario:
The exact error message. (The SQL Errorlog and Windows Event Logs can be a rich source of information. See the section on error logs below.)
What were you doing when you got the error message?
When did this start happening?
Any troubleshooting you’ve already done. (e.g. “I’ve already checked all the firmware and it’s up-to-date” or "I've run SQLIOStress and everything looks OK" or "I ran DBCC CHECKDB and the output is <blah>")
Any unusual occurrences before the error occurred (e.g. someone tripped the power switch, a disk in a RAID5 array died)
If relevant, the output from ‘DBCC CHECKDB (yourdbname) WITH ALL_ERRORMSGS, NO_INFOMSGS’
The SQL Server version and service pack level
For the “What’s the best technology for me to use?” scenario:
What exactly are you trying to do? Enable local hardware redundancy? Geo-clustering? Instance-level failover? Minimize downtime during recovery from IO errors with a single-system?
What are the SLAs (Service Level Agreements) you must meet? (e.g. an uptime percentage requirement, a minimum data-loss in the event of a disaster requirement, a maximum downtime in the event of a disaster requirement)
What hardware restrictions do you have? (e.g. “I’m limited to a single system” or “I have several worldwide mirror sites but the size of the pipe between them is limited to X Mbps”)
What kind of workload does you application have? (or is it a mixture of applications consolidated on a single server, each with different SLAs) How much transaction log volume is generated?
What kind of regular maintenance does your workload demand that you perform (e.g. “the update pattern of my main table is such that fragmentation increases in the clustered index, slowing down the most common queries so there’s a need to perform some fragmentation removal regularly”)
Finding the Logs
You will often find more information about an error by looking in the Error and Event logs. There are two sets of logs that are interesting:
SQL Error Log: default location: C:\Program Files\Microsoft SQL Server\MSSQL.#\MSSQL\LOG (Note: The # changes depending on the ID number for the installed Instance. This is 1 for the first installation of SQL Server, but if you have mulitple instances, you will need to determine the ID number you’re working with. See the BOL for more information about Instance ID numbers.)
Windows Event Log: Go to the Event Viewer in the Administrative Tools section of the Start Menu. The System event log will show details of IO subsystem problems. The Application event log will show details of SQL Server problems.

hi,I have a question on sql database high availability. I have tried using database mirroring, where I am using sql standard edition, in this database mirroring of synchronous mode is the only option available, and it is giving problem, like sql time out errors on my applicatons since i had put in the database mirroring, as asynchronous is only available on enterprise version, is there any suggestions on this. thanks ---vijay

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