There's not really an "event id".
Look for instances of CmdletName Add-MailboxPermission in the admin audit log.
From: Chyka, Robert [mailto:bch...@medaille.edu]
Sent: Friday, December 07, 2012 10:08 AM
To: MS-Exchange Admin Issues
Subject: Exchange 2010 Event ID Help
In Exchange 2010 does anyo
I think you are conflating several topics.
In Exchange 2010, there is "exchange 2010 admin audit logging" and "exchange
2010 mailbox audit logging".
Use your favorite search engine on those topics and you will find what you need
to know.
In Exchange 2010, events do not come into play for these