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Hello Experts,<br />
<br />
There is a setup of two separate windows domain in two different forest. One domain has to be decommissioned, since that operations have closed. <br />
<br />
There is two way external trust between the two domains. My question is<br />
<br />
1. Is it required to remove the trust prior to demoting the DC, if yes why?<br />
2. I tried removing the trust from the domains and trust console, but the remove option has been grayed out.... tried running the console as administrator, but same issue. .. what is netdom switch to remove the trust....<br />
<br />
Thanks in advance<br />
regards<br />
vinod.s
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Hello Experts,

There is a setup of two separate windows domain in two different forest. One domain has to be decommissioned, since that operations have closed. 

There is two way external trust between the two domains. My question is

1. Is it required to remove the trust prior to demoting the DC, if yes why?
2. I tried removing the trust from the domains and trust console, but the remove option has been grayed out.... tried running the console as administrator, but same issue. .. what is netdom switch to remove the trust....

Thanks in advance
regards
vinod.s

Active Directory External Trust remove option grayed out

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).