Windows Firewall: Network DTC access

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Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Add TCP port 135 to the Windows Firewall exceptions list.

Add Msdtc.exe to the Windows Firewall exceptions list on all computers involved in Microsoft Distributed Transaction Coordinator (MS DTC) transactions.