1. Open Remote Desktop Connection
2. Logon to (nreugc101) with domain credentials
3. Open up Active Directory users & Computers
4. Select VIEW on the top panel_ Select ADVANCED FEATURES
5. Select Disabled Accounts_ Select Users
6. Double click the user to remove from GAL
7. Select Attribute Editor
8. Scroll down and Double click 'mailNickname' _ Fill in the user full name as per creation on AD_ Select OK
9. Scroll down and Double 'msExchHideAddressLists'_ on the Value Select TRUE- Select OK
10.Click Apply and OK
DONE 😊