When you add/edit a transport rule, do you need to restart any services in Exchange?We are on Exchange 2007 SP1, Server 2003 R3.

Yes, sometimes you need to restart Exchange Transport Service on all Hub transport servers to make the changes effective immediately, specially when you change/addtransport rule recipients becauseHub Transport server maintains a recipient cache which is used to look up recipient and distribution list information and it normally updates every 4 hours.Understanding How Transport Rules Are Applied in an Exchange 2007 Organizationhttp://technet.microsoft.com/en-us/library/bb124703.aspxAmit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com