Hey Experts,
I am beginning a migration to O365 from exchange 2010 and was checking the health of mailboxes prior to deploying the hybrid configuration.
I discovered a user's mailbox that had corruption and to cut he story short, I had to delete the mailbox and re-create it (leaving the AD user account intact)
All went well but now I have discovered that internal users get an NDR stating that the user cannot be found.
I have tried:
- to force an update on the OAB then forced outlook on another user's machine to download the OAB,
- removed the entry from the other users NK2 files,
It work fine when I use OWA to send mail to the new mailbox which leads to believe that there's a problem with distribution of the OAB.
Anyone assist me with this?
Thanks
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The Most Valuable Expert award recognizes technology experts who passionately share their knowledge with the community, demonstrate the core values of this platform, and go the extra mile in all aspects of their contributions. This award is based off of nominations by EE users and experts. Multiple MVEs may be awarded each year.