AD problems, how to test if everything is ok!

[PaulGillespie]

I've had some issues this week with my network. I had:

SBS2003 with AD and DNS (SBS2003)
Server03 with AD and DNS (2003 R2)

We ran the transition pack to migrate away from SBS and it didn't go well at all. I had to restore the SBS2003 from backup and since then i have been getting AD issues. Everything works fine it's just that i've been getting lots of AD replication errors in the event log, and exchange is bust (but that's a different subject!)
The SBS2003 was down for a day and logons/scripts/password changes were ok.

I turned the sbs2003 on and made Server03 a global catalog server03 (wasn't before).
I installed a new server, Server04, installed AD and DNS.

Here's my plan: turn off Server04 so that i have a copy of AD and DNS if it all goes wrong.
Turn the SBS2003 off. Seize the FSMO roles to server03 clean up all traces of the SBS2003 from AD. and then see how it goes......

Is there any way that i can check that AD is healthy at various stages of this? I don't want to rebuild the whole domain from scratch!

Thanks for any help,

Paul.

 

[technome]

The main utils you want to run..
DcDiage.exe
NetDiag.exe

From support tools





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Chernobyl disaster..a must see pictorial

http://www.kiddofspeed.com/default.htm