When adding an APM user, the user's domain can be validated using, the Validate button. When validation fails, the message is a generic:
"The entered network domain name xxxxxx.com is invalid."
Knowing the reason for the validation failure is requied to correct the problem.
A domain can be validated using "ntest /sc_verify:xxxxxx.com", in an Elevated command prompt window (e.g., Run as Administrator).
If successful, the result will show as "NERR_Success". Otherwise, the result should be one of the following:
N/A