I'm hoping someone out there will be able to help me with this issue. I have just been given a laptop with an outlook issue. (have no history of machine) Whilst connected to the LAN I can login to Outlook with no password prompts as the account is using the Active Directory login credentials.. So all ok and normal there... When the machine is off the lan and standalone I can still login fine using cached Active Directory username and password. I can run outlook without being promped for login details.. so again all ok The problems appears when I dial-up and connect to our LAN and then try and access outlook .. I get prompted for username/password and domain information (even though I have just looged in to the AD).. Does anyone know where or how I can tell the machine not to prompt for this?? (It sounds simple but I have looked high and low for a resolution for this)