PFDAVAdmin Error

If you are seeing this error on the PFDAVAdmin Tool:
Could not expand https://localhost/exadmin/admin/mydomain.com/public%20folders/ : name cannot begin with the '0' character, hexadecimal value 0x30. Line 1, position 386'

Ensure .net framework 1.1 is installed on the workstation you are using. Dont install it on the Exchange server though.

Xendesktop 5 How to Trust XML Service

Set-BrokerSite -TrustRequestsSentToTheXmlServicePort $true

Exchange 2010 Remove Read Receipts

New-TransportRule -Name "Remove_Read_Receipts" -MessageTypeMatches ReadReceipt -DeleteMessage $true

Cannot Delete Exchange 2010 Database because of arbitration mailboxes

If you run the command: Get-Mailbox -Arbitration -Database DB
you see arbitration mailboxes listed.

Move them - Get-Mailbox -Arbitration -Database dbsource | New-MoveRequest -TargetDatabase dbtarget

You can also disable them unless it is the first DB in the org by doing:
Get-Mailbox -Arbitration -Database db | Disable-Mailbox -Arbitration