We have build two new Mailbox servers under SCC alongside the existing Mailbox servers which are also in SCC. these servers are in the same site under the domain. We are in a process to decomission the existing Exchange setup and transfer the roles to the new one. the existing exchange setup is built on windows 2003 and the new ones are on windows 2008. As of now we have moved most of the exchange services to the new ones and the left over is public folder database. let us know the procedure used for the following task.