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How many global catalog servers required for each site in active directory?

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Question added by Mostafa Mohamed Abdelrahman Mohamed , Senior Virtualization and Application Management Executive , Qatar National Bank - ALAHLI
Date Posted: 2013/10/07
Syed Asgar Mahmood Zaidi
by Syed Asgar Mahmood Zaidi , Senior System Engineer , Royal Hospital

alteast you should have one GC server in each site but if you have more than one GC Server then there will be no problem.

 

Anas Jalal Yahya
by Anas Jalal Yahya , Freelance Consultant, Project Manager and Trainer , Freelance

At least one.

If the site has Exchange server you  must have at least one GC

You can enable UGMC instead of GC in a site (in case there is not Exchange).

It is wrong to make infra FSMO GC unless all DCs are GCs.

If you have a RODC with GC in asite it will be ROGC

 

Islam Anwar
by Islam Anwar , System , public service company

it takes only one global catalog for the hole domain you can move it from DC to another but it remains one 

Qazzafi Ashraf
by Qazzafi Ashraf , IT Network Manager , Oxford University Press, Pakistan

It is recommended that every AD server should work as Global Catalouge so in case of1 failure other can serve as GC. Hence if you have1 or2 ever on each site each server should work as GC

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