No, it's not a requirement as such. -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: exchangepedia.com/blog ---------------------------------------------- "Smith Power" <smithpower@null.localhost> wrote in message news:O%23FuJlGLIHA.3940@TK2MSFTNGP05.phx.gbl... > Hello all I am looking for some information regarding a new exchange 2007 > server and requirements. > > The main questions I have at this time is "Is unified communications > certificate a requirement to go live" with this server > > >