Some tools (For example Client Center for Configuration Manager, very useful to manage SCCM client on workstation – cache size, re-installation of the agent, re-run advertisements…) need the remote management to be activated on the client machine to work properly.
To enable it:
Open a command prompt in administrative context and type the following command:
Then confirm the activation of the firewall exception
https://technet.microsoft.com/fr-fr/library/Cc748890.asp