- Plesk for Windows
- Plesk for Linux
Upgrading management node to version 17.5 on Plesk Multi Server causes a warning message on the step of pre-upgrade check:
IP address registered in Plesk is invalid or broken: 203.0.113.2
203.0.113.2 is an IP address of one of the service nodes, and it is neither invalid nor broken.
This is Plesk bug with ID # PPPM-6117 , which will be fixed in future product updates.
This warning message can be safely ignored, upgrade process can be continued.