Troubleshooting client
Look for the device on Assets and Compliance \ Overview \ Devices
On client it must show entry on control panel
on cliente: restart service CCMExec - SMS Agent Host
rebuild c:\windows\system32\wbem\repository:
pause service service Windows Management Instrumentation
delete folder, then resume + restart
logs on c:\windows\ccmsetup\logs
On ClientIDManagerStartup.log look for CcmSetup is exiting with return code 7 or 0 / client is registered ... ClientID is GUID xxx
On PolicyAgent.log look for Applied 19 policies successfully
On LocationServices.log look for Default Management Points from MP: server name
Check connectivity (ping/firewall)
Disable Firewall
from server try to reinstall via: right client on device - Install Client (select uninstall)
or from client c:\windows\ccmsetup\ccmsetup.exe /uninstall (and delete folder c:\windows\ccm)
or uninstall using CCMClean.exe then install from \\server\C$\ProgramFiles\Microsoft Configuration Manager\Client