a sudden block on symantec server occured and i could'nt access it anymore
i uninstall it and reinstall the same version again
when i check the computers' list there were all there but when i tried to connect to them the connection couldn't be established and no update occured .
i uninstall symantec on one computer and reinstall it it worked fine.
what may cause this to happen and how can i solve this issue without reinstall symantec on all the other computers?