shmot

hello I have recently installed a Configuration Manger server in my lab which is mostly windows systems on a domain, I have successfully installed all the server requirments (or at least i think so), and now ive tried to install the client in my domain. I have tried to push, install manually, installing through GPO, but nothing worked! I have connection between my server and all the systems that I try to install my clients on them. but in the ccmsetup log i get the following: "GetDPLocations failed with error 0x87d00280" "Failed to get DP Locations as the expected version from MP 'https://servername'" (sorry for manually writing the log file errors) Any help or insights will be most welcome! and also is there is ant good guide for the client installation it will be much appreciated. thanks