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I want to do an inplace upgrade to w2003 of two w2k dc's

I have a mixed mode network of 4w2k servers and 2win 2003 servers both of my dc's are w2k.  I want to upgrade them to win 2003.  Both servers just fill the role of DC no other apps on on them.  what are the pitfalls and how should I prepare besides doing a full backup?
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lesl_97
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lesl_97
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SysExpertCommented:
If there are no NT4 servers, then why are you still running in mixed mode ?

Go to a native AD, and pick a server to be the DC, and that's it.

Other option is to wipe them, rather than doing an install over win2k, since they are ONLY DC's.

You would need to designate another server as a DC temporarily if you do wipe them.


I hope this helps !
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lesl_97Author Commented:
what problems do I have if i just do an upgrade to server 2003?
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jrittenhCommented:
Rather than doing both at once, you could do one, then the other.  A clean install is recommended over upgrading, so best procedure would be to first ensure one DC is running all services (DHCP, WINS, DNS, etc.).  Then transfer all FSMO roles to one machine (see http://support.microsoft.com/kb/324801 for details).  Once a server is running all FSMO roles on its own, gracefully demote the other server (see http://support.microsoft.com/kb/238369 for this) and then wipe and upgrade it.  Once it's fully installed and patched, join it to the domain and promote it to be a DC, install all services and transfer all FSMO roles to it.  Test by shutting the 2000 DC down and confirming everything still works.  Repeat the demote/upgrade process with the second machine once everything is confirmed working on the updated DC.
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jrittenhCommented:
Alternatively, Microsoft does provide documentation on upgrading 2000 DCs to 2003: http://support.microsoft.com/kb/325379
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