Check the Display settings on the system where you are running Active Directory Users and Computers.
- Right click on the desktop.
- Select Display settings.
- Under the 'Scale and layout' section ensure that 'Change the size of text and other items' is set to 100%
![](https://prod-support-images-cfm.s3.amazonaws.com/KB_kA06R0000007Pg9SAE_Display.JPG)
If this setting is any other value than 100% then the buttons may not appear.