I have done a domain migration from windows 2003 to win 2008 R2 (transferred all the roles ), after two day when I tried to shut down the 2003 server (current ADC) the main DC Server 2008's Active directory and DNS crashes also at that time my users will not be able to access the internet (connection status: connected, then I had to give static ISP DNS ). I also got an error message the pdc is not responding.
Again I had to switch on the 2003 server and restated 2008 server my PDC then only it worked.
But my netdome fsmo query shows the new server 2008. also dns is resolving.
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