x400 addresses seem to be optional now ??

Exchange 2000

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x400 addresses seem to be optional now ??

Postby QmlsbCBDb3VsdGVy » Fri, 02 Mar 2007 11:36:00 GMT

Can someone please direct us to information regarding the need for x400 
addresses. It's possible now to remove them from both the mailboxes and the 
recipient policies. What are the ramifications? Our environment is a mix of 
Exchange 2007 and Exchange 2003. 


Re: x400 addresses seem to be optional now ??

Postby Bharat Suneja [MVP] » Fri, 02 Mar 2007 13:27:02 GMT

If they aren't causing you a lot of trouble, it may help to leave them in 
there for now. :)

Exchange Server 2003 does require a Recipient Policy to have an X400 
address. You can't delete this from ESM, and it's *NOT* recommended to 
delete this using ADSIEdit.

Bharat Suneja
MVP - Exchange
NEW blog location:

Re: x400 addresses seem to be optional now ??

Postby QmlsbCBDb3VsdGVy » Fri, 02 Mar 2007 23:03:26 GMT

It may help? Thanks for your conjecture.

We've upgraded all our recipient policies to Exchange 2007, including the 
default policy. Exchange 2007 does not apply x400 addresses to new objects, 
and offers the ability, in the management console, to remove the x400 address 
from the default policy. 

If anyone can specify the ramifications of keeping or removing the x400 
address, your information will be welcome. 

Re: x400 addresses seem to be optional now ??

Postby Andy David {MVP} » Sat, 03 Mar 2007 00:30:53 GMT

On Thu, 1 Mar 2007 06:03:26 -0800, Bill Coulter

Call PSS and ask them then.

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