Undoubtedly there is leftover metadata in active directory. https://www.google.com/search?q=Replication+errors+after+DC+demotion
Your subject line is a good start for a search query. Also search on event IDs specific to your issues. The petri.com links are typically spot-on. -- Espi On Tue, Apr 14, 2015 at 6:04 AM, Michael Leone <[email protected]> wrote: > Still getting these, unfortunately. Guess there's something still hidden > somewhere, that thinks the demoted DCs should be participating in > replicating the Domain System Volume, even tho I see no reference to them > in the GUI DFSR manager, nor the CLI utilities. I guess I will end up using > ADSIEdit somewhere ... guess there's more searching in my future ... > > Anyone have any pointers or clues as to why, and how to fix it? > > Thanks > > On Mon, Apr 13, 2015 at 1:59 PM, Michael Leone <[email protected]> > wrote: > >> In testing my AD Win2008 R2 -to- Win2012 R2 upgrade, I successfully added >> a Win2012 R2 DC to my domain. Then I demoted the Win2008 R2 DCs. That went >> well, with this exception: >> >> DCDIAG is showing me DFS Replication errors (0xC0001396, 0xC000138A, and >> 0xC0001394) about failing to communicate with partner <Win2008 R2 DC> for >> replication of the Domain System Volume. >> >> Well, yeah - that isn't a DC anymore, just a member server, so it has >> nothing to do with the Domain System Volume anymore. But what I can't >> figure out is why the Win2012 server is still trying to talk to it at all, >> after it was gracefully demoted. >> >> I added the DFS Namespaces and DFS Replication roles to the Win2012 >> server (now the only DC in that domain). And under Replication, I see the >> Domain System Volume, but I see no references to any other server. >> >> So why did it show those errors? Note that the timestamps of the errors >> are immediately following the demotions; haven't see them re-occur (yet - >> it's only been a couple hours since I did it). Firewall is off, so it's not >> blocking ports. >> >> "DFSRDIAG dumpadcfg" isn't telling me anything (I think - never used this >> before). I see no reference to the demoted WIn2008 DC ... >> >> DFSRADMIN mem list /rgname:"Domain System Volume: shows only 1 member - >> the Win2012 DC. >> >> So here's my question: >> >> based on the DFRDIAG and DFRADMIN outputs, am I right in assuming that >> those errors mentioning the Win2008 DC are just transitory, and caused by >> the DC demotion? >> >> I'm thinking this is nothing to worry about. Am I right? >> >> >> >> >> >
