More than one AD Attribute identified as the proxyAddresses attribute. AD Attribute name: %1 Attribute index: %2 Cause: The ...

More than one AD Attribute identified as the proxyAddresses attribute.

AD Attribute name: %1
Attribute index: %2
Cause: The AbAttribute table in the SQL backend database specified more than one AD attribute to represent the proxyAddresses attribute.
Resolution:
Deactivate and reactivate the server.