Facing issue in adding computers whose are part of workgroup

Facing issue in adding computers whose are part of workgroup

Hi Team,

I am getting below error when I am trying to add computer from workgroup.

The list of servers for this workgroup is not currently available

Please refer the attached snap shots.

Work group computer - windows server 2012 R2
                New to ADManager Plus?

                  New to ADSelfService Plus?