Soho_Dan
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Are X400 and X500 email addresses required in Exchange 2010?
Hi, we have Exchange 2010 in our organization. A while back, we had a corrupted mailbox and one of our staff removed it and recreated a new one for this user. However, anyone in within our organization cannot email to this user (gets an NDR) but external incoming emails worked fine. So I created an X500 email address for this user and problem solved.
Now, we were wondering if we can remove all the x400 emails in Exchange and why do we even need the X500 email address?
Now, we were wondering if we can remove all the x400 emails in Exchange and why do we even need the X500 email address?
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i'd say you don't need the X400 ones. As for the X500, do you see them listed in the users exchange profile in EMC, under Email Addresses? You may need the X500 ones, depending on how your migration was done and if your GAL needs updated.......sorry not an expert on the X500 protocol.
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We only have one user with the X500 email address in the Exchange profile under the EMC. However, we have a little over a hundred mailboxes with the X400 addresses.
First, if I take out the user with the x500 addr, the problem is going to return. Second, why would we have so many users with the x400 email addresses?
First, if I take out the user with the x500 addr, the problem is going to return. Second, why would we have so many users with the x400 email addresses?
Hi,
maybe you have migrated that exchange 2010 from some older version?
x400 was used in versions from 2007 to older ones..2003,2000, etc.. As I remember it is not used in 2010 anymore.
maybe you have migrated that exchange 2010 from some older version?
x400 was used in versions from 2007 to older ones..2003,2000, etc.. As I remember it is not used in 2010 anymore.
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From what I've read, Exchange 2000 and onwards don't use the x400 email addresses unless it was upgraded from Exchange 5.5? Correct me if I'm wrong so if we migrated from Exchange 2003, why would we have the x400 email addr?
you must have migrated from 5.5 to 2000 or 2003 at some point, most of us with older server estates/platforms did. I went from 5.5 to 2003 and 2003 to 2010. Looking at 2013 later this year.
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