#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##

Hello experts,

I have a user who had a corrupted mailbox.

I created a test user account for the user and restored all of his mail from back up to the test account and new mailbox successfully.

I then disconnected both mailboxes and attached them to the correct people.

Since then others are getting undeliverable messages to his account.  I manually removed the account and mailbox that the undeliverable messages are going too.  They NDR shows that they are still going to the test box that as of a hour ago I manually removed from the disconnected mailboxes.

When I did a search and found this link:
http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_27777465.html

I have confirmed in adsiedit that under the LegacyExchangeDN of his account, it is pointing to the test account, not his account, which no longer exists.

Can I just edit this line with the correct information?  How can I confirm the syntax if I can?  Why aren't these changes replicating?

Thank you in advance,

Karen
klsphotosAsked:
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AmitIT ArchitectCommented:
Open user mailbox property, goto email address tab, add x500 custom address with old legacyexchangedn value you are getting in bounced back message. check again. this happens as outlook enabled with cached mode using legacyexchangedn value.
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klsphotosAuthor Commented:
I did that as well...I think, I never created one before:

I opened e-mail address tab, selected drop down and selected custom.  I then put the address in the bounce back, which isn't a user but I also added the previous test user account address and then put "x500" in the second field under "type" is that correct?

Should I still correct this in ADsi edit?  Why isn't it updating?  

Will go test from another system now.
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klsphotosAuthor Commented:
I did the above and they are still coming back undeliverable :(
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DipakCommented:
Please refer the below mentioned article for same which will resolve your issue.

http://social.technet.microsoft.com/Forums/exchange/en-US/91712714-5c8f-44cb-9182-47bb9e0bef58/cannot-send-emails-to-user-whose-mailbox-was-deleted-and-recreated

https://www.simple-talk.com/content/print.aspx?article=628


It is vitally important to put in the correct syntax - the Address type is X500 and not X.500
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klsphotosAuthor Commented:
thank you.  I did that and that isn't working either but I know why now, just am not sure how to fix it.

When I restored his old mailbox items to the test account.  I disabled both mailboxes and reversed them, so the test account with the restored items was on his account and the old mailbox of his was on the test account.

This is the mailbox that his account his current still attached too in ADSIedit that is currently sitting in the disconnected mailboxes section.  If I try to connect it to a new account it will not let me because it says it's attached to the user.  Ok, that makes sense, that is the old mailbox.  He is currently connected to the restored mailbox and has mail from all weekend.  

How can I delete this other mailbox?  It shows the current user and on the same database, but it's not the same box so how can I remove it so the bounce backs stops?  I can't wait 30 days until retention kicks in but also don't want to delete the mailbox he currently has?

Confused.

PS.  I did try to manually change the path in his Adsiedit properties to what it originally was, nothing worked at all then.

Thank you,

Karen
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klsphotosAuthor Commented:
This is resolved, sort of.

His account really did not like the restored account mailbox from back up.  I created a brand new mailbox and will copy the contents in manually.

The issue now is the users who have his addressed cached are the ones with bounce backs.  We have 500 users that have auto complete on.  How can I change all of them?  I can't go around to each one to clear that list.
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AmitIT ArchitectCommented:
login to one user machine.  download this tool
http://www.nirsoft.net/utils/outlook_nk2_autocomplete.html

run it on user machine. check the legacyexchangedn value for user you are getting bounce back. note it down. goto mailbox properties>x500>paste it apply and then check again.
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DipakCommented:
Create script or batch file and execute that from GPO if you want to run it on network .

So once the user logs in to machine this batch file will execute .. and will do the work.

http://aspoc.net/archives/2010/05/04/how-to-clear-the-autocomplete-list-in-outlook-2010/


To clear the Auto Complete Cache on local machine you will have to follow below steps.

Click Start, and then click Run.
Start Outlook by using the /CleanAutoCompleteCache switch.

For example: Outlook.exe /CleanAutoCompleteCache
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klsphotosAuthor Commented:
This has been resolved.  None of the methods suggested worked and I had to end up creating a brand new AD account and a new mailbox to go with it.  I have removed all other mailboxes and everything is working fine now.  This account caused corruption in 2 databases and now no problems.  There must have been something weird with his previous AD account.  All has been running fine now for quite awhile.
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klsphotosAuthor Commented:
Thank you everyone for your help.
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klsphotosAuthor Commented:
Nothing else worked until I created his new account.  I had to manually remove the cache from users adddress books.
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