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MukooFlag for United States of America

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PDC role transferred on it's own

We recently migrated our DC from SBS 2008 to Sever 2012 R2 Standard. We transferred the FSMO roles successfully and decided to keep the other server around as a secondary onsite DC. Today I logged on to run some verifications. When I ran NetDOM /query FSMO, it came back with the PDC and Domain Naming Master roles back on the old DC.  No one here migrated those roles back to the old DC. I'm wondering if anyone here has experienced this and if so, do you know how and why this occurred. Searching through Google brought back little to nothing.
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Will Szymkowski
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In this scenario the SBS needs to act as the PDC because you still have this in your environment. I am not sure if this process would switch the PDC role back to the SBS server, but for End User License Agreement (EULA) PDC needs to be on the SBS server.

If you have AD Auditing enabled you will be able to see who changed this role back to the SBS server.

keep in mind also there is a 30 day grace period so once the FSMO roles are off the SBS server, after the grace period is over, the server will start rebooting periodically.  better off building another 2012 server if you want another domain controller; either that or keep the FSMO roles on SBS.  as will stated, it is a license requirement as long as the server is in production
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With SBS 2003 to any regualr edition, you could extend the grace period from 7 - 21 days after the FSMO rolls are migrated...
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