Using an RODC as a GC Server

Learn why making a read-only domain controller (RODC) a Global Catalog (GC) server isn't a problem.

John Savill

July 16, 2014

1 Min Read
QA

Q: Can I make a read-only domain controller a Global Catalog server?

A: Yes. Because a Global Catalog (GC) server is essentially a read-only copy of the partial attribute set of all domains in a forest, running it on a read-only domain controller (RODC) is fully supported. However, some applications won't work correctly with a GC server on an RODC. Therefore, it's important to check the supportability of your applications with a GC server running on an RODC.

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