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Determine if a DC is a Global Catalog (GC) server

Dimitris Tonias by Dimitris Tonias
January 19, 2018 - Updated on April 21, 2024
in Management
Reading Time: 1 min read
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There are several ways to find out if a Domain Controller has the Global Catalog role enabled. In this article, we’ll see how to determine this using the graphical user interface (GUI and PowerShell.

Using the graphical user interface (GUI)

After you connect to DC, open the Active Directory Sites and Services console. Expand the Sites container until you find the DC you want to check. Right-click NTDS Settings and then click Properties.

Determine if a DC is a Global Catalog (GC) server

Here, on the General tab, you can see if the Domain Controller has enabled the Global Catalog role or not.

Determine if a DC is a Global Catalog (GC) server

Using PowerShell

To check on the current DC you are connected to, use the following command.

Get-ADDomainController | ft Name,IsGlobalCatalog

Get-ADDomainController | ft Name,IsGlobalCatalog

To check all DCs on a Site, use the following command.

Get-ADDomainController-Filter {Site-eq 'Default-First-Site-Name'}} | FT Name,IsGlobalCatalog

Get-ADDomainController-Filter {Site-eq 'Default-First-Site-Name'}} | FT Name,IsGlobalCatalog

To check all DCs in a Forest, use the following command.

Get-ADForest meraki.edu | FL GlobalCatalogs

Get-ADForest meraki.edu | FL GlobalCatalogs

Determine if a DC is a Global Catalog (GC) server

Tags: Domain ControllerGlobal CatalogPowerShellWindows Server 2016
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Comments 3

  1. Fırat Boyan says:
    7 years ago

    The facebook group IT World Global (System & Network) https://www.facebook.com/groups/ITWorldGlobal are on your serve to make sharings or ask questions which are related to your IT contents.

    Reply
  2. Roman Vins says:
    6 years ago

    Hi,
    in case you have a lot of DC’s in the domain this command gives better output 🙂
    Get-ADForest meraki.edu | select -ExpandProperty globalcatalogs

    Reply
    • Mike says:
      6 years ago

      Much better output! Thank you!

      Reply

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