状况：有BJ和SZ两个站点，从BJ站点的DC可以复制SZ的DC上的信息，但从SZ站点的DC不能复制BJ站点DC的信息

解决方法：在SZ站点的DC上增加或修改注册表

To restart replication following event ID 2042

  1. Click Start, click Run, type regedit, and then click OK.

  2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters

  3. In the details pane, create or edit the registry entry as follows:

    If the registry entry exists in the details pane, modify the entry as follows:

    1. In the details pane, right-click Allow Replication With Divergent and Corrupt Partner, and then click Modify.
    2. In the Value data box, type 1, and then click OK.

    If the registry entry does not exist, create the entry as follows:

    1. Right-click Parameters, click New, and then click DWORD Value.
    2. Type the name Allow Replication With Divergent and Corrupt Partner, and then press ENTER.
    3. Double-click the entry. In the Value data box, type 1, and then click OK.