This sounds like an MTU problem over VPN. It breaks RPC.
The solution is to fix the mtu on the routers,
Anthony,
http://www.airdesk.co.uk
"Hans" wrote in message
> I'm installing new AD domain in remote site, the bandwidth latency is 1000
> ms, I've done many similar installations like this with the same
> bandwidth, yet this time I'm getting the following error:
>
> Active Directory could not replicate the directory partition - "The remote
> procedure call was canceled"
>
> I'm using Windows Server 2003 SP2
>
> Is the NTDS\Parameters\RPC Replication Timeout" increase of a benefit in
> my situation now or do you have any other suggestion.
>
> Regards
>
>
>