Yes. Make sure you use the 3.1(2b) build of code due to CSCdw60729.
CSCdw60729:
During Cisco Unity configuration setup, after entering the server name and LDAP port, the following error message is displayed: "NamedProps error, hr=140064. Setup will not continue beyond this point." - only affects systems connecting to Exchange 5.5 in an NT domain.
Keith
Keith Chambers
Unity Technical Lead
Unified Voice Team, San Jose
Cisco Systems