Category Archives: CAS Server Error in Outlook Email

How to Fix CAS Server Error In Outlook Email

This error is generally encountered in the Outlook Email while users are accessing it because the server connection is not available that time. This message will be displayed when users are trying to open the Outlook account 2010.  Because the Windows credentials do not match the mailbox credentials, the CAS server error returns therefore. So, below is a proper guideline to fix CAS Server Error In Outlook Email with appropriate explanation

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