Question : Exchange 2003 RPC over HTTPS

I have an sbs 03 box running rpc over https for exchange and the certificate has expired i generated a new cert and imported it but i can no longer connect to the server using outlook 2007 was working like a charm prior to the cert expiring any ideas or help would be greatly appreciated

Answer : Exchange 2003 RPC over HTTPS

Was unable to submit a new certificate request as the internal CA web enrollment has stopped working so i re ran the CTIW wizard which generated a new default certificate for me and is working now thanks for everyones responses