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问题:
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.
Ensure Distributed Transaction Coordinator
service is running on both machies:
Disable all MSDTC security on both machines:
Turn on random options on the linked server:
Cursed and swore.
Smashed things.
Checked that a SELECT
can use the linked server:
SELECT * FROM ASILive.CustomerManagementSystem.dbo.Users
....
(763 row(s) affected)
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
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
Checked that @@SERVERNAME
matches the server name on both servers:
SELECT @@SERVERNAME, SERVERPROPERTY('MachineName')
------------- -------------
ASITESTSERVER ASITESTSERVER
and
SELECT @@SERVERNAME, SERVERPROPERTY('MachineName')
---------- ----------
ASIGROBTEST ASIGROBTEST
Screamed
Issued SET XACT_ABORT ON
before issuing my query:
SET XACT_ABORT ON
GO
BEGIN DISTRIBUTED TRANSACTION
SELECT TOP 1 * FROM Sessions
Granted Everyone
Full Control
to:
HKEY_LOCAL_MACHINE\Software\Microsoft\MSSQLServer
on both servers.
回答1:
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.
回答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...
- Are the machines in the same domain? (yeah, shouldn't matter with disabled authentication)
- 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
- What does DTC ping say? http://www.microsoft.com/download/en/details.aspx?id=2868
- What account is the SQL Service running as ?
回答3:
I was able to resolve this issue (as others mentioned in comments) by disabling "Enable Promotion of Distributed Transactions for RPC":
回答4:
If the servers are clustered and there is a clustered DTC you have to disable security on the clustered DTC not the local DTC.
回答5:
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.
回答6:
For me, it relate to Firewall setting. Go to your firewall setting, allow DTC Service and it worked.
回答7:
My last adventure with MSDTC and this error today turned out to be a DNS issue. You're on the right track asking if the machines are on the same domain, EBarr. Terrific list for this issue, by the way!
My situation: I needed a server in a child domain to be able to run distributed transactions against a server in the parent domain through a firewall. I've used linked servers quite a bit over the years, so I had all the usual settings in SQL for a linked server and in MSDTC that Ian documented so nicely above. I set up MSDTC with a range of TCP ports (5000-5200) to use on both servers, and arranged for a firewall hole between the boxes for ports 1433 and 5000-5200. That should have worked. The linked server tested OK and I could query the remote SQL server via the linked server nicely, but I couldn't get it to allow a distributed transaction. I could even see a connection on the QA server from the DEV server, but something wasn't making the trip back.
I could PING the DEV server from QA using a FQDN like: PING DEVSQL.dev.domain.com
I could not PING the DEV server with just the machine name: PING DEVSQL
The DEVSQL server was supposed to be a member of both domains, but the name wasn't resolving in the parent domain's DNS... something had happened to the machine account for DEVSQL in the parent domain. Once we added DEVSQL to the DNS for the parent domain, and "PING DEVSQL" worked from the remote QA server, this issue was resolved for us.
I hope this helps!
回答8:
Apart from the security settings, I had to open some ports on both servers for the transaction to run. I had to open port 59640 but according to the following suggestion, port 135 has to be open.
http://support.microsoft.com/kb/839279
回答9:
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