It is recommended to never use Microsoft Update or Windows Update because the Microsoft fixes have may not have been regression tested against Cisco Unity. The references link at the end of this blog ...
Cisco Unity 7.0 supports up to 200 ports per server, while Cisco Unity Connection supports 144 ports, and Unity Express supports up to 24 ports. Cisco Unity 7.0 and Unity Connection 7.0 scale up to 10 ...