I am Dale Hayter, a Microsoft and VMware certified Technical Consultant.

My blog has been built up over the years from my experience of working on an IT helpdesk and also from being out on-site.

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New Receive Connector Exchange 2007 – Error in attribute conversion operation

When creating a new receive connector in Exchange 2007 you might come across the error message below 

Active Directory operation failed on server name. This error is not retriable. Additional information: The parameter is incorrect. Active Directory response: value: LdapErr: Error, comment: Error in attribute conversion operation, data 0, v1db1. The requested attribute does not exist


SMTPerror

This error message is caused by the installation of Exchange 2007 Service Pack 3. When its installed it hasn’t upgraded some of the schema in active directory.

To fix this issue run the command below in the Exchange Management Shell.

Setup.com /prepareschema

If you get an error message when trying to run the command above. Something like “Exchange Server setup encountered an error” then make sure your running it from an elevated command prompt.

Microsoft KB : KB2457729