Symptoms
The validation of credentials for Enrollment agent and/or NLA user fails:
![](https://kb.parallels.com/Attachments/kcs-175063/image-20200622173017-1.png)
Cause
The credentials are specified in Pre-Windows 2000 format.
Resolution
Please use the UPN format (username@domain):
![](https://kb.parallels.com/Attachments/kcs-175063/image-20200622173209-2.png)
The validation of credentials for Enrollment agent and/or NLA user fails:
The credentials are specified in Pre-Windows 2000 format.
Please use the UPN format (username@domain):
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