1. Open run and type ADSIEDIT.msc (may need to register adsiedit.dll on server first)

2. Right click ADSIedit and choose connect to

3. In the connection point section ,chose select A well Known Naming Context and ,from the drop-down list choose Default naming context

4. Click OK

5. Expand default naming context

6. Right click the DC=mydomain,dc=local domain folder and choose properties

7. Select ms-DS-MachineAccount Quta and click edit

8. Type 0

9. Click OK