HI, I have a mailbox named test1 , and 5 users have permission to access test1 Mailbox. Say like if one unread mail has been read by one of the 5 users. Now i need to check which user has read the message? How can i verify that. Hope you understand the question!

What version of Exchange? You can implement mailbox auditing depending on version.

Hi exchange 2007 , mailbox access audit->message access audit You can read http://www.msexchange.org/articles_tutorials/exchange-server-2007/compliance-policies-archiving/exchange-2007-mailbox-access-auditing-part1.html http://technet.microsoft.com/en-us/library/ee221156(EXCHG.80).aspxPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hi, Thanks for the response , we are using exchange 2003.