OS: Windows 2012 R2

This is the command I used to grant a group permission to unlock accounts.

C:\> DSACLS โ€œou distinguished nameโ€ /i:s /G โ€œgroup nameโ€œ:rpwp;LockOutTime;user

Example:

C:\> DSACLS โ€œOU=MyOU,DC=MYDOMAIN,DC=MYTLDโ€ /i:s /G โ€œMYDOMAIN\MYGROUPโ€œ:rpwp;LockOutTime;user