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What causes the error message below?

Anonymous
2025-02-05T19:52:15+00:00

"DTC security settings and firewall settings should be fixed in order to complete the transactions propagation test."

Windows Server High availability Clustering and high availability

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  1. Anonymous
    2025-02-06T07:28:59+00:00

    Hi,

    The error message "DTC security settings and firewall settings should be fixed in order to complete the transactions propagation test" is typically caused by issues with MSRPC (Microsoft Remote Procedure Call) communication failing in a network due to incorrect security or firewall settings. Common reasons include:

    1. Firewall Settings: A firewall is present and does not have an exception for the MSDTC process.
    2. NetBIOS Names: The two machines cannot find each other by their NetBIOS names.
    3. Network Transactions: Support for network transactions is not enabled for one of the two transaction managers.
    4. MSDTC Configuration: MSDTC is not installed, not configured to start automatically, or security configurations are not correctly defined.

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