[Config Mgr] Managing System Center Configuration Manager clients in a workgroup
When managing SMS or SCCM clients that are in a workgroup, clients will need access to a WINS server the contains the proper entries for the SMS/SCCM site systems.
If a WINS is not available, as an alternative you can edit the LMHOSTS and HOSTS files on each client to allow for name resolution.
Find out more on the Configuration Manager support team blog