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8.2

Network access for Distributed Transaction Manager (MSDTC) has been disabled

Asked by bd9000 in SQL Server 2005, Windows 2003 Server, Miscellaneous Networking

Tags: SQL Server 2005, Windows Server 2003 SP1, Vista 64, Vista, XP

I'm getting the following error when trying to do a transaction to a remote server.

System.Transactions.TransactionManagerCommunicationException: Network access for Distributed Transaction Manager (MSDTC)
has been disabled. Please enable DTC for network access in the security configuration for MSDTC using the Component Services Ad...

I've tried numerous things to resolve this problem with no luck.

Here is the scenario:
I have a windows application that is running from either Windows XP SP2, Windows Vista 64, or Windows 2003 Server (all get the same error message).
The application connects to a SQL 2005 Server running on a remote W2K3 SP1 server.
MSDTC is running on both the client AND the server (so the error message is useless as it MSDTC service is IN FACT running).
Both client and server allow both incoming and outgoing connections.
Firewalls have been disabled on both Client and Server.
I set up authentication to NONE on both client and server.
Same error...
The application works fine on a local computer with a local database (and the transactions work wonderfully)

I'm stumped on this one.
I've attached a couple of server settings screenshots for clarity.


Attachments:
 
settings on server W2K3 SP1
settings on server W2K3 SP1
 
 
settings on server W2K3 SP1
settings on server W2K3 SP1
 
[+][-]04/05/09 02:25 PM, ID: 24073038Expert Comment

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[+][-]04/05/09 03:34 PM, ID: 24073277Author Comment

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[+][-]04/05/09 03:53 PM, ID: 24073323Author Comment

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[+][-]04/05/09 05:43 PM, ID: 24073705Expert Comment

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[+][-]04/05/09 08:40 PM, ID: 24074234Accepted Solution

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About this solution

Zones: SQL Server 2005, Windows 2003 Server, Miscellaneous Networking
Tags: SQL Server 2005, Windows Server 2003 SP1, Vista 64, Vista, XP
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Solution Provided By: bd9000
Participating Experts: 1
Solution Grade: A
 
[+][-]04/11/09 12:08 PM, ID: 24123086Author Comment

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