Exchange 2010 Mailbox Move Error “Property expression isn’t valid”

KB ID 0000430 Dtd 06/04/11

Problem

Seen while trying to execute a move mailbox move.

Property expression isn't valid.

Error: Property expression “username” isn’t valid. Valid values are: Strings formed with characters from A to Z (uppercase or lowercase), digits from 0 to 9, !, #, $, %, &, ‘, *, +, -, /, =, ?, ^, _, `, {, |, } or ~. One or more periods may be embedded in an alias, but each period should be preceded and followed by at least one of the other characters. Unicode characters from U+00A1 to U+00FF are also valid in an alias, but they will be mapped to a best-fit US-ASCII string in the e-mail address, which is generated from such an alias.

Note: If your error says..

“Property expression “username” isn’t valid. Valid values are: Strings that include ‘@’ where ‘@’ cannot be the last character” click here

Solution

1. On the Exchange server, launch the Exchange Management Console > Below Recipient Configuration > Mailbox, locate the user/mailbox that you have a problem with > Right click > Properties.

exchang euser properties

2. On the General tab > Locate the users “Alias” > delete anything that isn’t A to Z (uppercase or lowercase), digits from 0 to 9, !, #, $, %, &, ‘, *, +, -, /, =, ?, ^, _, `, {, |, } or ~

users email alias

3. Once you have changed > Apply > Try and move the mailbox again (Note: You may need to delete the move request, in the “Move Request” section.)

 

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Author: Migrated

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