Outlook 2003 doesn't connect to Exchenge 2010

Basicly we just need to remove the encryption requirement from the RPCClientAccess runnig the following command:


Get-RPCClientAccess | Set-RPCClientAccess –EncryptionRequired $false

Source and more ways to fix it:
http://www.howexchangeworks.com/2009/09/cant-connect-outlook-2003-to-exchange.html

Unable to mount Exchange 2007 database

After restoring an Exchange 2007 server from a backup to a test ESXi VM I was unable to mount the Exchange mailbox database:

Failed to mount database ‘Mailbox Store’.

Error:
Exchange is unable to mount the database that you specified. Specified database: SERVER1\First Storage Group\Mailbox Store; Error code: MapiExceptionJetErrorAttachedDatabaseMismatch: Unable to mount database. (hr=0x80004005, ec=-1216)

To fix this I used:

eseutil -p “Mailbox Store.edb” 
eseutil /r E02 /i

(in the directory that contains the database)

!The first command is said to be able to cause the loss of data. So only run this on a backup database!

Source:

http://blog.dunk.tk/blog1.php/2009/06/17/unable-to-mount-exchange-2007-database