I have a client who is using Microsoft Dynamics CRM and also using the Outlook addin for the users.
All users are working fine with the startup of Outlook to about 15sec.
A specific user used to take 20+mins to open Outlook and after messing around with registry and update rolups etc.. is now starting up in 1 minute but is still not happy about that.
Also the specific PC was restored to factory settings and rebuilt from scratch! The problem was pre-existing btw.
Also note that the client is using Roaming Profiles for all users. The specific Users profile was also built from scratch!