Event ID - 1500

Event Id1500
SourceUserenv
DescriptionWindows cannot log you on because your profile cannot be loaded. Check that you are connected to the network, or that your network is functioning correctly. If this problem persists, contact your network administrator.
Event InformationWhen you log off a computer that is running Microsoft Windows Server 2003, Windows XP, Windows 2000, or Windows NT 4.0, you may experience one or more of the following symptoms:
A user profile does not unload.
A roaming profile does not reconcile.
You reach the registry size limit (RSL).
You take a long time to log off, and you receive the following message:

Saving settings….

CAUSE: This issue may occur if Microsoft Windows or third-party programs such as printer drivers or virus scanners do not stop and release resources when you log off your computer.
RESOLUTION: To resolve this issue, use the Microsoft User Profile Hive Cleanup Service (UPHClean). UPHClean monitors the computer while Windows is unloading user profiles and forces resources that are open to close. Therefore, the computer can unload and reconcile user profiles.
Reference Links Troubleshooting profile unload issues

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