I didn't receive any replies to my first question about SVCHOST memory leak in the LanManWorkstation process. This will be most noticeable on a multi-session host. I have discovered that the more mapped drives the client has, the more affected by the by the memory leak the process will be. I found the process to be holding on to mapped drive information between logins of the same user account. This started with the installation of the April Patches. I would like to get this information to Microsoft as well if anybody can point me at someone that would be willing to listen. Thanks.