Policy

Use automated site coverage by the DC Locator DNS SRV Records

This policy setting determines whether domain controllers (DC) will dynamically register DC Locator site-specific SRV records for the closest sites where no DC for the same domain exists (or no Global Catalog for the same forest exists). These DNS records are dynamically registered by the Net Logon service, and they are used to locate the DC. If you enable this policy setting, the DCs to which this setting is applied dynamically register DC Locator site-specific DNS SRV records for the closest sites where no DC for the same domain, or no Global Catalog for the same forest, exists. If you disable this policy setting, the DCs will not register site-specific DC Locator DNS SRV records for any other sites but their own. If you do not configure this policy setting, it is not applied to any DCs, and DCs use their local configuration.

Policy
Pack Microsoft Windows
Category System / Net Logon / DC Locator DNS Records
Policy ID d214517c4145
Internal name Netlogon_AutoSiteCoverage

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Netlogon\Parameters\AutoSiteCoverage (enabled) = 1
HKLM\Software\Policies\Microsoft\Netlogon\Parameters\AutoSiteCoverage (disabled) = 0

Policy notes

This policy setting determines whether domain controllers (DC) will dynamically register DC Locator site-specific SRV records for the closest sites where no DC for the same domain exists (or no Global Catalog for the same forest exists). These DNS records are dynamically registered by the Net Logon service, and they are used to locate the DC. If you enable this policy setting, the DCs to which this setting is applied dynamically register DC Locator site-specific DNS SRV records for the closest sites where no DC for the same domain, or no Global Catalog for the same forest, exists. If you disable this policy setting, the DCs will not register site-specific DC Locator DNS SRV records for any other sites but their own. If you do not configure this policy setting, it is not applied to any DCs, and DCs use their local configuration.

Related policies

Block NetBIOS-based discovery for domain controller locationDo not process incoming mailslot messages used for domain controller location based on NetBIOS domain namesDo not use NetBIOS-based discovery for domain controller location when DNS-based discovery failsForce Rediscovery IntervalReturn domain controller address typeSet Priority in the DC Locator DNS SRV recordsSet TTL in the DC Locator DNS Records