Enabling the Modular Messaging property page

If the recipient is in a Recipients subcontainer or a container outside Recipients, you must enable the Modular Messaging property page.

On the Windows Desktop, click or highlight the Microsoft Exchange Administrator icon.

Right-click to display the Shortcut menu, and click Properties.

Select the Shortcut property page.

In the Target line, append the parameter /r, for example, c:\exchsrvr\bin\admin.exe /r

Run the Microsoft Exchange Administrator program.

In the directory hierarchy, select the container.

Click File > Raw Properties.

The system displays the Sub-container dialog box.

In the List attributes of type field, click All.

In the Object attributes field, click Extension-Name-Inherited.

In the Edit value field, type: gnvuaext

Click Add.

Click OK.

The Sub-container property page is enabled for all recipients in the container.