How to Enable the Registry Keys for Delivery Restrictions

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A registry key on the Exchange Server 2003-based bridgehead server (which is the source for the connector that is being checked) controls the restriction checking functionality. If you need to configure a connector to restrict who can send data to the designated link, you must manually add the restriction checking registry value.

Before You Begin

The following permissions are required to perform this procedure:

  • Member of the local administrators group

Procedure

To enable the registry keys for delivery restrictions

  1. Start Registry Editor: From a command prompt, type Regedt32.exe.

  2. Navigate to and select the following key in the registry:

    HKEY_LOCAL_MACHINE/System/CurrentControlSet/Services/RESvc/Parameters/

  3. On the Edit menu, click Add Value, and then add the following registry value:

    Value Name: CheckConnectorRestrictions
Data Type: REG_DWORD
Date: 1
Radix: Decimal

  4. Exit Registry Editor: On the Registry menu, click Exit.

  5. After enabling the registry key setting, restart the following services on your Exchange server:

    • Microsoft Exchange MTA Stacks (MSExchangeMTA)

    • Microsoft Exchange Routing Engine (RESvc)

    • Simple Mail Transport Protocol (SMTPSVC)