Error Message:
A user's session with this server has been deleted because the user's logon hours are no longer valid.
Explanation:
Any action to correct the problem should be performed on that computer. LAN Manager ended a user's session with this server because the user's logon time expired.
User Action:
No action is needed. To define the times during which a user can access the server, type NET USER <user name> /TIMES:<times>.