| Event Id | 2053 |
| Source | MSExchangeSA |
| Description | The e-mail address CCMAIL:USER at SITE created during update process for display name <user> (mailbox name <user>) is not unique. The unique e-mail address CCMAIL:USER1 at SITE was substituted. |
| Event Information | In the Exchange Administrator program, the default cc:Mail site addressing proxy address is Last, First @ Site. It is possible to change the order and syntax of the string. |
| Reference Links | XADM: How to Change cc:Mail Proxy Address for New Mailboxes |
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