We use Exchange2003 Org with Exch2010 server.
I tried to change contact object from Exchange2010 Powershell and it says that
object needs upgrade. after upgrade previous Exchange Management tool can not handle that
Is there any effect as a contact object if I upgrade that object by powershell?
I think Exchage2003 management tool do not support contact object originally.
In Exchange 2003, you can go to manage mail contacts in ADUC.
When you use EMS to change contact object, you can follow these two documents:
If you get error when you try to change contact object, please paste the exact information you get in your next post.
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