GO to Group Policy Management-->Select the OU(Right Click)-->Create a GPO in this domain, and link it here. Provide suitable name for that GPO.
Then, Right click on that GPO that u created and go for edit option.
Go to user configuration-->Preference-->Windows Setting-->Drive Maps
Go to Map drive option
In New Drive Properties Provide Necessary Details:
Action : Create
Location : \\ADS-Server\Common Share$ (The folder what you want to map in client PC )
Check Reconnect option
Label as : Common (Any name as you want to display in client PC )
Drive Letter : Select a drive letter(It should not get conflict with local drives)
Click on Apply and then OK.
Apply gpupdate
Start --> Run --> gpupdate /force(In server and also in client)
