How to remove a server from being a Global Catalog host in AD

How to remove a server from being a Global Catalog host in AD

In this blog post, I’ll show you How to remove a server from being a Global Catalog host in AD.

A Global Catalog Server Is a Server that hosts a full copy of all the Objects In an Active Directory Domain and also hosts a read-only copy of all object that belongs to other Domains In the forest.

In many organizations, An Admins nominate a remote Domain Controller to be a Global Catalog and by doing that Users and Computer In remote site don’t need to connect to a Domain Controller at the data center to retrieve an object Information.

During the lifecycle of an Active Directory Infrastructure, you will need to stop a specific Domain Controller from being Global Catalog Server and allow other Doman Controllers to take over.

To get started, Make sure you use a Domain Admin account to complete this process.

From a running Domain Controller open Active Directory Sites and Services and drill down to the Domain Controller In the site

Active Directory Sites and Services.
rot Active Directory Sites and Services.

When you see NTDS settings In the right panel, Right Click and In the General Tab untick the tick from the Global Catalog check box

Click Apply and OK

Once done, you will notice that the domain controller will get busier with more requests from application and clients, so make sure your other Domain Controllers are not under spec and they have enough RAM memory and CPU power to serve all the requests.

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