1 reply
by ryany23
There are two possible reasons said dialog box would appear.
First, authentication for the Exchange Server service in the user's Outlook profile has been set to "None". To check this, open the mail settings by right clicking on the Outlook icon on the desktop and selecting properties or by opening the control panel and double clicking on "Mail". Then double click on "Microsoft Exchange Server". Next click on the "Advanced" tag and make sure that the "Logon Network Security" section says "Password Authentication".
Second, the user account that is currently logged into the computer has either been disabled or the password has been changed. You can test this by trying to access a network share that said use would normally have access to.
Hope that helps.
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