I recently migrated our Exchange 2010 setup from one 2008 VM to another which had a fresh install of Exchange 2010 on it. I don't know if the errors I'm seeing in BPA are historical or down to the migration. We did have Exchange 2003 originally and I migrated that to a 2008VM and upgraded to Exchange 2010 at the same time. That was a couple of years ago now.
From a Health Check in the BPA I get these messages -
Didn't find a replica of folder 'OAB Version 2' for offline address book 'Default Offline Address List'. Either a replica doesn't exist, or this folder hasn't been created yet. If an OAB generation attempt has not yet been made, you can ignore this error.
(there are another 2 similar entries listing different versions of the OAB)
Admin Group: <our domain name>
Site Folder Server Deleted
The site-wide public folder database for administrative group 'OurDomain' has been deleted. Current public folder store: 'CN=Public Information Store (<an old server name>)\0ADEL:978b6030-bb67-4130-9927-80cb570e2251,CN=Deleted Objects,CN=Configuration,DC=ourdomain,DC=companyname,DC=com'.
What do these mean in plain English and should I be worried about them?