Home Folder total endpoint problem

Hi!

i was wondering why when we logon to the SEPM console via web or from the server itself, the total endpoints displayed is not the REAL total endpoints installed from the server.. This is regardless on what account is we are using.

We have a current machines installed with 500 clients but from the home tab, sometimes it says the corrent number, sometimes lesser than 500. No endpoints is being deleted or uninstalled.