In earlier framework versions, the Maxpro network config property Use Tls defaulted to false and the NVR property HTTP Port to 80. This configuration was not secure. To configure TLS secure communication you had to change these properties.
Use Tls defaults to true and HTTP Port to 443.
If you upgrade a station to a latest version of
Use Tls to false and HTTP Port to 80.
Use Tls and changing the HTTP Port to 80 will get an upgraded system up and running, be aware that your system is vulnerable to a malicious attack.