I had the same problem.
You got to change the policy about that one.
I clould not find it because it is somwere deep in the system. I found the sollution in help.
goto start help & support and then fill in "password policy" in help topics click on number 4.
Now you will se how to configure you password policy.
Bootvis did not do a thing with my server.
Schutdown still takes 30-45 minutes