Add New Columns to ADUC

THIS IS AWESOME!!!!

Add Additional Attributes to Computer Search

ADSIEDIT
Connect to Forrest level Domain Controller, Configuration naming context
CN=Configuration,DC=<YourDomain>,DC=<YourTLD>\CN=DisplaySpecifiers\CN=409\
CN=computer-Display <- Properties
Edit the attributeDisplayNames attribute.
Add the attribute you want to see in the following format:

<ldapdisplayname>,<column header>

Example:

serialNumber,Serial Number

Add Additional Attributes to ADUC columns

ADSIEDIT
Connect to Forrest level Domain Controller, Configuration naming context
CN=Configuration,DC=<YourDomain>,DC=<YourTLD>\CN=DisplaySpecifiers\CN=409\
CN=default-Display <- Properties
Edit the extraColumns attribute.
Add the attribute you want to see in the following format:

<ldapdisplayname>,<column header>,<default visibility>,<width>,<unused>

Example:

comment,Comment,0,150,0

Note: CN=409 is for US, for other languages use a different number.

Reference

http://www.showmehowtodoit.com/how-to-add-additional-columns-in-active-directory-users-and-computers-console/