Could you do a WinRoute dump and send it over, this would give us more info to work with. Mark Fugatt Dedicated Supportability Engineer (Exchange) Microsoft Limited Desk: +44 (0)118 909 5630 Mobile: +44 (0)7966 858108 MSN IM: markfu@xxxxxxxxxxxxxxxxx Blog: http://blogs.technet.com/mfugatt Dedicated to proactively supporting Microsoft's enterprise Customers ________________________________ From: ChongJa@xxxxxxxxxxxxxxxx [mailto:ChongJa@xxxxxxxxxxxxxxxx] Sent: 28 December 2005 00:57 To: [ExchangeList] Subject: Routing takes extra hop In one of my sites sending from server 1 to server 2 is taking an extra hop over server 3. Same site. If you look in the header if a user in server1 sends to server 2, it shows server1 sent to server 3 to sever 2. Server 3 is 2003 the others are 2000.