Windows server 2022 replication problem : error 1722 Rpc server not available

Question

I'm trying to upgrade our server from windwos server 2012r2 to window server 2022 standard. I have installed and promoted a couple DC in different sites. The issue i'm having is with replacation.

the replication dooesn't work on any of new promoted windows server 2022 dc. Error: SyncAll exited with fatal Win32 error: 8440 (0x20f8):

The naming context specified for this replication operation is invalid.

(network error): 1722 (0x6ba):

The RPC server is unavailable.

Answer 1

Hello Marcus Mostamandi,

Thank you for posting in Microsoft Community forum.

You can try to reset secure channel between problematic DC and its partner DC.

netdom resetpwd /s:<server> /ud:<domain\User> /pd:*

• /s:<server> is the name of the domain controller to use for setting the machine account password. It's the server where the KDC is running.
• /ud:<domain\User> is the user account that makes the connection with the domain you specified in the /s parameter. It must be in domain\User format. If this parameter is omitted, the current user account is used.
• /pd:* specifies the password of the user account that is specified in the /ud parameter. Use an asterisk (*) to be prompted for the password. For example, the local domain controller computer is Server1 and the peer Windows domain controller is Server2. If you run Netdom.exe on Server1 with the following parameters, the password is changed locally and is simultaneously written on Server2. And replication propagates the change to other domain controllers:

Reset domain controller's password with Netdom.exe - Windows Server | Microsoft Learn

Here is a similar thread for your reference.

[f02c-b7a6-58b-6fc0] (microsoft.com)

I hope the information above is helpful.

If you have any question or concern, please feel free to let us know.

Best Regards,
Daisy Zhou