Exchange 2010 Mailbox Move An error occurred while updating a user object after the move operation. --> The value 'HTTP§1§1§§§§§§' is already present

When performing a cross forest mailbox move using the new-moverequest, the mailbox move fails at the completing stage when viewing in the move request in the EMC. When you open the move request for the user in the details tab you see the following error.

Error details: An error occurred while updating a user object after the move operation. --> The value 'HTTP§1§1§§§§§§' is already present in the collection.

Resolution: Delete the protocolsettings using adsiedit for both the source and target user.

1. Open adsiedit.msc from run command on source DC
2. Locate your user in the domain partition
3. Locate attribute protolsettings and delete all values
4. Repeat steps for target user in target domain
5. Resume the failed mailbox move


James Chong
MCITP | EA | EMA; MCSE | M+, S+
Security+, Project+, ITIL
msexchangetips.blogspot.com