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 РKB2596993 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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