Outlook 2007 prompting for credentials after moving to hosted exchange/office 365

After spending days finding a fix for Outlook 2010 – (Post here) I found some Outlook 2007 clients that were throwing the same error

The KB Number is – KB2596993 downloads can be found here KB2596993

Also check out my previous post about delegated mailboxes, you may find the two issues are linked.

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