Object is read only because it was created by a future version of Exchange: 0.10 (18.104.22.168) error
When trying to remove a Public Folders Database (either from the console or with Remove-PublicFolderDatabase) from Exchange 2007 server on Exchange 2010 environment, you get the following error message:
"Object is read only because it was created by a future version of Exchange: 0.10 (22.214.171.124). Current supported version is 0.1 (8.0.535.0)."
Connect to the Exchange 2010 server and either remove the Public Folder from the console or use the Remove-PublicFolderDatabase command, i.e.:
Remove-PublicFolderDatabase -identity "Public Folder Database_name"
Remove-PublicFolderDatabase -identity "server_name\storagegroup_name\pf_name"
Microsoft Exchange 2007
Microsoft Exchange 2007 SP1
Microsoft Exchange 2007 SP2
Microsoft Exchange 2010