When using thread impersonation “DTCGetTransactionManagerEx”is failing from the MSDTC groups passive cluster node

The Problem You could be encountering this problem if: ·         You are using an application calling the API “DTCGetTransactionManagerExW” from a thread impersonating a different user to that which the process is running as;  ·         The application is running and failing on the MSDTC passive node of an Windows 2003 Cluster (and it is working when…

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Reinstalling / Rebuilding COM+ on Windows 2008

Unlike on Windows 2003 it is not possible to Reinstall/Rebuild COM+ on Windows 2008 without effectively reinstalling the operating system. Before undertaking such an extreme step the question of why COM+ needs to be installed should be addressed. A common reason for this is due to the errors shown below: For example: The COM+ Event…

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MSDTC communication is not working on a Windows 2008 Cluster when Incoming Caller Authentication or Mutual Authentication is required

In the design change between Windows 2003 and Windows 2008, MSDTC running on a cluster should now be able to take advantage of all available MSDTC authentication option when servers are running on the same domain as their MSDTC client servers.   There is however a problem which causes this supported scenario to fail.  …

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