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Exchange 2003 to 2010 Migration - defaut email address policy

Posted on 2013-11-08
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Last Modified: 2013-11-08
Hello,

I am wondering about the affect of one of the last stages of migration from Exchange 2003 - 2010.

I have many mailboxes which do not follow an email address policy and to make a change now would have serious affects on mail flow.

I have migrated many mailboxes to 2010 which has resulted in the default email address changing and had to manually change it back.

What I am concerned about now is the affect that migrating/upgrading the default address policy and address lists to Exchange 2010 is going to have.

Am I Ok to assume that if I run set-emailaddresspolicy and set-addresslist to migrate it will not change the 2010 mailboxes addresses?

Thanks for the assistance

SC
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Question by:Spidercat
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4 Comments
 
LVL 43

Expert Comment

by:Amit
ID: 39633943
If Automatic stamping of email address policy is not checked, under user email address tab nothing will change,
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Author Comment

by:Spidercat
ID: 39634039
Thanks for the reply amitkulshrestha

Just to get your answer correct in my head, you are referring to the

'automatically update email addresses based on recipient policy'

check box being unchecked when migrating the policys?
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LVL 43

Accepted Solution

by:
Amit earned 500 total points
ID: 39634055
yes that is correct. You need to keep it unchecked for users, on whom you don't want to apply new policy.

Also note: if you do any mailbox move in future. Remember to uncheck it for moved user, as it enables back automatically after mailbox move.
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Author Comment

by:Spidercat
ID: 39634663
Thanks for your assistance!

Sc
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