Server 2012 VDI collection require two-way trust when adding user group of external domain

This article provides a solution to an error that occurs when you try to add DomainB\RD_USER_GROUP directly to VDI collection in DomainA.

Original KB number:   2877933

Symptoms

Consider the following scenario:

  1. RDCB and RDVH are in DomainA.

  2. RD users are in DomainB\RD_USER_GROUP, RD_USER_GROUP is a "Security Group - Universal".

  3. DomainA and DomainB are in different forests.

  4. DomainA one-way trusts DomainB.

When you tried to add DomainB\RD_USER_GROUP directly to VDI collection in DomainA, we got an error "The security identifier could not be resolved. Ensure that a two-way trust exists for the domain of selected users".

Cause

Two-way trust is required for this scenario to work.

Resolution

Change one-way trust to two-way trust.