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• Clean os x mail profile email upgrade#

(Incidentally, if you’ve ever wondered why the Exchange 2007 admin group has this name, or what it means, it’s the text EXCHANGE12ROCKS, with all the characters shifted to the right by one!)

Clean os x mail profile email upgrade#

For example when you upgrade from Exchange 2003 to Exchange 2007 your user-defined admin groups are replaced by a single admin group named “Exchange Administrative Group (FYDIBOHF23SPDLT)” – existing mailboxes are unaffected, but mailboxes created after the upgrade will use the new admin group name in their legacyExchangeDN values. o = Organisation / ou = Administrative Group / cn = Recipients / cn = Usernameīecause the legacyExchangeDN value includes the administrative group name changes to admin group names will influence legacyExchangeDN values. LegacyExchangeDN values typically look like this: The legacyExchangeDN value is set when a mailbox is created, and includes the name of the Exchange administrative group where the mailbox belongs.

Since Exchange 2000 the mailbox’s X.500 address has been stored in the legacyExchangeDN attribute in Active Directory. The use of X.500 addresses goes back to before Exchange 2000, when previous versions of Exchange maintained their own LDAP directory. Even though we had given the user account all the old SMTP addresses, the old X.500 address which Outlook was sending to was missing, and this was causing Exchange to reject the messages. This problem occurs because while the Outlook auto-complete cache stores SMTP addresses for e-mail sent to external addresses, it uses X.500 addresses for e-mail sent to addresses within the Exchange organisation. E-mail from external senders was being received properly, and replies to new messages were OK. This happened even though I had re-added all the SMTP addresses that the user previously had.

This solved the immediate problem of the corrupt mailbox, but created a new one – when Outlook users tried to e-mail the user either by replying to an existing message or by using Outlook’s auto-completion of the user’s e-mail address, the message would bounce back to the sender.

Exchange E-mail Addresses and the Outlook Address Cache - Simple Talk Skip to contentĪ little while ago I had a case where, after all other troubleshooting had failed, I had to solve a mailbox corruption problem by exporting the mailbox content to a PST file, removing the existing mailbox, recreating a new mailbox, then finally importing the PST file back in.