How to add a computer to Group Policy so that the policy can apply to the computer

1. After installing WSUS on a server, creating computer group in WSUS, creating a group policy to use WSUS, you also need to add computers to the group policy so that the policy to apply to those computers. Here is how.
2. Login DC. Then open Group Policy Management.
3. Navigate to the computer group policy, in our case it is EHC for WSUS.
4. Click Add under Security Filtering.

5. Make sure check Computers in Object Types.

7. After adding the computer into a group under group policy Management, you also need to create a OU to match the computer group name, for example EHC.

8. Now move the computers you want to be in EHC group from Computer.

9. Run gpupdate /force on the server and worksttaions. That should add those computers into WSUS. Or we can wait for 30 to 90 minutes.