/Microsoft Exchange System objects/OAB version 2″ is invalid and couldn’t be updated.” This warning occurs in my situation way after the migration of exchange 2007 to exchange 2013.
So I am unable to use the old GUI of Exchange 2007.
You have set up Outlook Photos and added photos as you require, however the photos are not appearing in Microsoft Outlook 2010.
To solve this issue, you need to do the following steps.
Start Adsi Edt (be careful with this change) Go to default Naming Context Microsoft Exchange System objects Open the properties of the objects which gave the warning in the Power Shell message.
It can be accessed when using a CSUS email (@csus.ed) account with Outlook or when logged in to the Outlook Web App.
If you are not seeing correct contact information in the GAL for someone that has a valid email address (i.e.