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Enable Firewall Exceptions for MS DTC

  • Artigo

Applies To: Windows Server 2008

Where Windows Firewall is in use, you must add a firewall exception for the Microsoft Distributed Transaction Coordinator (MS DTC) at each computer that participates in coordinating distributed transactions. To configure this change, use Windows Firewall in Control Panel to enable a firewall exception at each computer in the network running DTCs that require network connectivity.

Membership in Administrators, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (https://go.microsoft.com/fwlink/?LinkId=83477).

To enable a firewall exception for MS DTC using Windows Firewall

  1. Open Windows Firewall.

    To open Windows Firewall, on the Start menu, click Control Panel. In Control Panel, do one of the following:

    • Under Security, click Allow a program through Windows Firewall.

    • If Control Panel is in Classic view, click Windows Firewall.

  2. On the Exceptions tab, select the Distributed Transaction Coordinator check box.

  3. Click OK.