AD Replication over SonicWall site-to-site VPN

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Guest

Please forgive an old geek for posting the same question to multiple groups.
It's an act of desperation.

Had a working multi-site Windows 2003 domain. Replication was happening
cleanly and on schedule. In June, implemented a SonicWall 2040 at the home
office and SonicWall TZ-170s at the remote offices and connected via
site-to-site VPN. Now, the domain controllers will not replicate. The most
frequent reference is to the RPC server being unavailable. I have been
through all of the available troubleshooting steps and nothing has resolved
the problem.

I did not do the firewall configuration but it seems pretty straight
forward. I have seen for myself that there are no rules in place restricting
any traffic on VPN to VPN connections.

Any advice, help, even the smallest tid-bit would be appreciated. Thanks in
advance.
 
=?Utf-8?B?TWFya2IxMTE4?= said:
Had a working multi-site Windows 2003 domain. Replication was happening
cleanly and on schedule. In June, implemented a SonicWall 2040 at the
home office and SonicWall TZ-170s at the remote offices and connected
via site-to-site VPN. Now, the domain controllers will not replicate.
The most frequent reference is to the RPC server being unavailable. I
have been through all of the available troubleshooting steps and nothing
has resolved the problem.

I did not do the firewall configuration but it seems pretty straight
forward. I have seen for myself that there are no rules in place
restricting any traffic on VPN to VPN connections.

Any advice, help, even the smallest tid-bit would be appreciated. Thanks
in advance.
Click to expand...

Can you telnet from all servers to all other servers via port 135? This port
is used by Windows to replicate AD.
 
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