This command modifies the RootSDDL setting for the WinRM service. The RootSDDL stores the default security settings for any ...

This command modifies the RootSDDL setting for the WinRM service.  The RootSDDL stores the default security settings for any WinRM securable resource that does not specify its own SDDL. Changing the SDDL might affect security for many WinRM resources. Are you sure that you want to modify these default settings?