How to remove Active Directory

How to uninstall Active Directory Domain Service from Windows Server?

1. Firstly open Run wizard so press “Ctrl+R” button on keyboard otherwise press window button and then type Run on search bar and the press Enter. 
2. Type dcpromo or dcpromo /forcefully in Run wizard and then press Enter button 
3. Active Directory Installation wizard will be shown on your Desktop screen and then click Next at welcome screen. 
4. Delete the domain because this server is the last domain controller in the domain check mark will be displayed on your screen so don’t check on that option and click on Next 
5. Application Directory Partitions and Applications create these directory partitions to store and replicate data will be displayed on your screen and the click on Next 
6. Confirm Deletion Removing Active Directory Domain Services will delete all application partitions from this active directory domain controller. Check mark on deletion wizard and press Next 
7. Window security wizard open on your screen put user name and password and then ok 
8. Confirm password and then summary wizard open so verify all the information is correct and then click Next 
9. Now uninstall wizard proceeds to uninstall Active Directory and click on Finish to close wizard. 
10. Click on Restart and Window Restart ……. 
11. Now you have successfully uninstalled Active Directory.