add printer to AD server

1. Change the group policy to allow printer can be published:

-Right click on domain controller, click "property"
-Click "group policy", and click "edit"
-Go to "computer configuration > administrative templates > printers", and enable "allow printers to be published"

2. Find the printer and move to OU you created

-Right click on domain controller, choose "find"
-Change find to "printers" in server
-Click "find now", you will get all the shared printers
-Pick the one you want to add, right click, choose "move", and move it to the desired OU