When you do a regular search in AD Users & Computers and open up properties of users or groups found, a minimal set of tabs are displayed:

This is expected behavior as search results in AD Users & Computers disregard some tabs like the Attributes tab and the tab extensions.
How to Set Up Ad Users & Computers for Easy365manager Enabled Search Results
In order to get access to Easy365Manager in searches performed in AD Users & Computers you can set up a saved query:
Right-click Saved Queries, select New > Query:

Give your query a name and click Define Query:

Make sure that “Users, Contacts, and Groups” is selected in the dropdown. Then click OK twice:

After this one-time setup, you are now ready to perform searches with access to the Easy365Manager tabs.
How to See the Easy365manager Tabs in Your AD Search Results
After the above steps are completed, every search can be performed by following these steps.
Right-click the query you just created and select Edit:


Click the refresh button to execute your query, and the search result will appear on the rights hand side:

When you open up any item from your search, you will see the Easy365Manager tabs in the object properties:
