Specify sites covered by the GC Locator DNS SRV Records

This policy setting specifies the sites for which the global catalogs (GC) should register site-specific GC locator DNS SRV resource records. These records are registered in addition to the site-specific SRV records registered for the site where the GC resides and records registered by a GC configured to register GC Locator DNS SRV records for those sites without a GC that are closest to it. The GC Locator DNS records and the site-specific SRV records are dynamically registered by the Net Logon service and they are used to locate the GC. An Active Directory site is one or more well-connected TCP/IP subnets that allow administrators to configure Active Directory access and replication. A GC is a domain controller that contains a partial replica of every domain in Active Directory. To specify the sites covered by the GC Locator DNS SRV records click Enabled and enter the sites’ names in a space-delimited format. If you do not configure this policy setting it is not applied to any GCs and GCs use their local configuration.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Netlogon -> Parameters # GcSiteCoverage

  2. The Administrative Template path is:

    System -> Net Logon -> DC Locator DNS Records


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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