After rebooting the Enforce server the customer could not log on to the Enforce UI.
The Vontu Manager service would not start.
The tomcat log showed the following error:
StandardServer.await: create[localhost:8005]:
java.net.BindException: Address already in use: JVM_Bind

Executing netstat -aon | find "8005" showed a process listening on port 8005 and the process PID.
Executing tasklist showed the process PID was tomcat5.exe.
Tomcat listens on port 8005 for the shutdown command.
In Services MMC it was noted IBMStorageManagerProfiler Server had been installed and had installed its own IBM Tomcat server service.
Shutting down the IBM Tomcat server allows the Vontu Manager service to start, with successful login to the Enforce UI.