Exchange 2010 Delivery has failed to these recipients or groups
I have a very odd problem, and i didn`t found a solution yet ..
Recently we aquired another domain and we move the current users one-by-one on the new domain.
Example: old adress: john.smith@example.com , new adress: john.smith@example2.com
The Example.com mail server runs a linux , the new Example2.com runs Exchange 2010. All clients run Outlook 2010 or Outlook 2007.
In the Exchange server , we have all the contacts added ( the @example.com users ).
The odd problems appear when i disable the contact and add an exchange mailbox ( @example2.com ) , i cannot keep the contact because if i do exchange will generate another alias ( john.smith2@example2.com ).
And after this , the @example2.com users that try to send a mail will receive the error:
This seems to be a local outlook problem. I tryed to delete the names from autocomplete ( new mail / name-> John Smith , select -> Delete ). For the Outlook 2007 i also tryed to delete the NK2 file.
I also Updated the Global Adress List , still same error.
Recently we aquired another domain and we move the current users one-by-one on the new domain.
Example: old adress: john.smith@example.com , new adress: john.smith@example2.com
The Example.com mail server runs a linux , the new Example2.com runs Exchange 2010. All clients run Outlook 2010 or Outlook 2007.
In the Exchange server , we have all the contacts added ( the @example.com users ).
The odd problems appear when i disable the contact and add an exchange mailbox ( @example2.com ) , i cannot keep the contact because if i do exchange will generate another alias ( john.smith2@example2.com ).
And after this , the @example2.com users that try to send a mail will receive the error:
This seems to be a local outlook problem. I tryed to delete the names from autocomplete ( new mail / name-> John Smith , select -> Delete ). For the Outlook 2007 i also tryed to delete the NK2 file.
I also Updated the Global Adress List , still same error.
Delivery has failed to these recipients or groups:
John Smith
The e-mail address you entered couldn't be found. Check the address and try resending the message. If the problem continues, please contact your helpdesk.
Diagnostic information for administrators:
Generating server: EXCHANGE.domain.local
IMCEAEX-_O=DOMAIN+20NAME+20ORGANIZATION_OU=EXCHANGE+20ADMINISTRATIVE+20GROUP+20+28FYDIBOHF23SPDLT+29_CN=RECIPIENTS_CN=John+20Smith@domain.local
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
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I didn`t tought to disable the cache mode. 10x !