In the GPOADmin Quick Start Guide on page 11, Step 3 notes the following:
3.Using ADSIEdit.msc, available from the Windows Support Tools, make sure a "Quest" container exists under CN=Services,CN=Configuration,DC=Domain,DC=com. If necessary, create one.
You do not have to create this entry in Active Directory. If you're using another configuration store such as AD LDS or ADAM, you need to create the entry their instead.
ER TF00215626 created to update documentation in future release.