Lost Global Catalogue

15 pts.
Tags:
Active Directory
DHCP
DNS
General Directories
Lotus Domino
Management
Microsoft Windows
Networking services
OS
Security
Servers
SQL Server
My Windows 2003 PDC recently died but prior to this I had transfered the operations master roles including schema master to my BDC. I was convinced my BDC was a Global Catalogue server but didn't get a chance to check before my PDC died. This happened just before I went away for 2 weeks and I only discovered this when I came back. We only keep backups for 2 weeks so by this time the PDC's system state backup has gone. Does anyone know of any way I can somehow recreate the global catalogue without having to start from scratch? I would really appreciate some help! Thanks in advance.

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you will have to do an authorative restore to AD. Hopefully your 2 weeks worth of tapes either have not been overwritten or you can have the data extracted from the tape via a data recovery team. DO you have any other GC’s in your environment plus how did users work for the 2 weeks it went corrupt, is this a test environment etc…

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  • ITBird
    Hi again all - my BDC has now been accepted as a Global catalogue server and all replication seems to be working OK. So please ignore my previous email. Thanks.
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  • Astronomer
    You may already know this but make sure if you have more than one domain you keep infrastructure master and global catalog functions on different servers. rt
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  • BIGFella
    Worth a note that in any domain, especially those hosting Exchange server(s) ALL DC's should be setup as global catalogues... if you only have 1 GC and it dies, to put it politely your fcuk'd, there should ALWAYS be more than 1 DC in an AD domain at minimum 2 DC's not just for resiliance but also performance Exchange rely's heavily on GC's to perform. If you cannot afford a 2nd server, get a PC and set it up as a DC as a temporary measure until more reliable hardware can be purchased (a proper server).
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  • Buddyfarr
    ITBird, I agree with BigFella, if you have not already, then as soon as you can get your other DC back up then make it a GC too, that way you will not run into this problem again.
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