Unable to begin a distributed transaction

Question

i'm trying to run SQL against a linked server, but i get the errors.

BEGIN DISTRIBUTED TRANSACTION
SELECT TOP 1 * FROM Sessions


OLE DB provider "SQLNCLI" for linked server "ASILIVE" returned message "No transaction is active.".

Msg 7391, Level 16, State 2, Line 3
The operation could not be performed because OLE DB provider "SQLNCLI" for linked server "ASILIVE" was unable to begin a distributed transaction.

There are two errors returned by the provider:

Error #1:

Number: $80040E14
Source: Microsoft OLE DB Provider for SQL Server
Description: OLE DB provider "SQLNCLI" for linked server "ASILIVE" returned message "No transaction is active.".
HelpFile: 
HelpContext: $00000000
SQLState: 01000
NativeError: 7412

Error #2

Number: $80040E14
Source: Microsoft OLE DB Provider for SQL Server
Description: The operation could not be performed because OLE DB provider "SQLNCLI" for linked server "ASILIVE" was unable to begin a distributed transaction.
HelpFile: 
HelpContext: $00000000
SQLState: 42000
NativeError: 7391

How do i get Microsoft to favor functionality over security?

Or, at the very least, how can i get two SQL Severs to talk to each other?

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---

What i have done is irrelevant, but i'll post it anyway.

1. Ensure Distributed Transaction Coordinator service is running on both machies:

   

   

2. Disable all MSDTC security on both machines:

   

   

3. Turn on random options on the linked server:

4. Cursed and swore.

5. Smashed things.

6. Checked that a SELECT can use the linked server:

      SELECT * FROM ASILive.CustomerManagementSystem.dbo.Users
      ....
   
      (763 row(s) affected)
   

7. Checked that client server can ping the remote server:

       C:\Documents and Settings\avatar>ping asicmstest.contoso.com
   
       Pinging asicmstest.contoso.com [10.0.0.40] with 32 bytes of data:
   
       Reply from 10.0.0.40: bytes=32 time<1ms TTL=128
       Reply from 10.0.0.40: bytes=32 time<1ms TTL=128
       Reply from 10.0.0.40: bytes=32 time<1ms TTL=128
       Reply from 10.0.0.40: bytes=32 time<1ms TTL=128
   
       Ping statistics for 10.0.0.40:
           Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
       Approximate round trip times in milli-seconds:
           Minimum = 0ms, Maximum = 0ms, Average = 0ms
   

8. Checked that the remote server can commnicate back, by name, to the initiating server:

       C:\Documents and Settings\avatar>ping asitestserver.contoso.com
   
       Pinging asitestserver.contoso.com [10.0.0.22] with 32 bytes of data:
   
       Reply from 10.0.0.22: bytes=32 time<1ms TTL=128
       Reply from 10.0.0.22: bytes=32 time<1ms TTL=128
       Reply from 10.0.0.22: bytes=32 time<1ms TTL=128
       Reply from 10.0.0.22: bytes=32 time<1ms TTL=128
   
       Ping statistics for 10.0.0.22:
           Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
       Approximate round trip times in milli-seconds:
           Minimum = 0ms, Maximum = 0ms, Average = 0ms
   

9. Checked that @@SERVERNAME matches the server name on both servers:

     SELECT @@SERVERNAME, SERVERPROPERTY('MachineName')
   
     -------------  -------------
     ASITESTSERVER  ASITESTSERVER
   

   and

     SELECT @@SERVERNAME, SERVERPROPERTY('MachineName')
   
     ----------  ----------
     ASIGROBTEST  ASIGROBTEST
   

10. Screamed

11. Issued SET XACT_ABORT ON before issuing my query:

    SET XACT_ABORT ON
    GO
    BEGIN DISTRIBUTED TRANSACTION
    SELECT TOP 1 * FROM Sessions
    

12. Granted Everyone Full Control to:

    HKEY_LOCAL_MACHINE\Software\Microsoft\MSSQLServer
    

    on both servers.

Answer 1

If the servers are clustered and there is a clustered DTC you have to disable security on the clustered DTC not the local DTC.

Answer 2

OK, so services are started, there is an ethernet path between them, name resolution works, linked servers work, and you disabled transaction authentication.

My gut says firewall issue, but a few things come to mind...

1. Are the machines in the same domain? (yeah, shouldn't matter with disabled authentication)
2. Are firewalls running on the the machines? DTC can be a bit of pain for firewalls as it uses a range of ports, see http://support.microsoft.com/kb/306843 For the time being, I would disable firewalls for the sake of identifying the problem
3. What does DTC ping say? http://www.microsoft.com/download/en/details.aspx?id=2868
4. What account is the SQL Service running as ?

Answer 3

If your Destination server is on another cloud or data-center then need to add host-entry of MSDTC service(Destination Server) in your source server.

Try this one if problem doesn't resolved, After enable the MSDTC settings.

Answer 4

Found it, MSDTC on the remote server was a clone of the local server.

From the Windows Application Events Log:

Event Type: Error
Event Source: MSDTC
Event Category: CM
Event ID: 4101
Date: 9/19/2011
Time: 1:32:59 PM
User: N/A
Computer: ASITESTSERVER
Description:

The local MS DTC detected that the MS DTC on ASICMSTEST has the same unique identity as the local MS DTC. This means that the two MS DTC will not be able to communicate with each other. This problem typically occurs if one of the systems were cloned using unsupported cloning tools. MS DTC requires that the systems be cloned using supported cloning tools such as SYSPREP. Running 'msdtc -uninstall' and then 'msdtc -install' from the command prompt will fix the problem. Note: Running 'msdtc -uninstall' will result in the system losing all MS DTC configuration information.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Running

msdtc -uninstall
msdtc -install

and then stopping and restarting SQL Server service fixed it.

Answer 5

I was getting the same error and i managed to solve it by configuring the MSDTC properly on the source server to allow outbound and allowed the DTC through the windows firewall.

Allow the Distributed Transaction Coordinator, tick domain , private and public options

Answer 6

For me, it relate to Firewall setting. Go to your firewall setting, allow DTC Service and it worked.