Upgrade failed with the following error:
Details: ERROR: Failed to read product information from the file : Can't process products.inf3: Failed to download the package http://autoinstall-win.pp.parallels.com/products.inf3:
Could not resolve host: autoinstall-win.pp.parallels.com; Host not found, try again
Can't process versions.inf3: Failed to download the package http://autoinstall-win.pp.parallels.com/versions.inf3:
Could not resolve host: autoinstall-win.pp.parallels.com; Host not found, try again
Not all packages were installed.
Please resolve this issue and try installing the packages again.
If you cannot resolve the issue on your own, contact product technical support for a
Host autoinstall-win.pp.parallels.com is inaccessible from the server.
Check is it possible to ping autoinstall-win.pp.parallels.com:
C:\Windows\system32>ping autoinstall-win.pp.parallels.com
Ping request could not find host autoinstall-win.pp.parallels.com. Please check the name and try again.
If it's not possible as in case above, check your network configuration and fix this issue.
As a temporary workaround you could manually add IP address to system hosts file (C:\Windows\System32\drivers\etc\hosts) following record:
93.184.221.133 autoinstall-win.pp.parallels.com
And check access again:
ping autoinstall-win.pp.parallels.com
Pinging autoinstall-win.pp.parallels.com [93.184.221.133] with 32 bytes of data:
Reply from 93.184.221.133: bytes=32 time=82ms TTL=250
Reply from 93.184.221.133: bytes=32 time=83ms TTL=250
Reply from 93.184.221.133: bytes=32 time=81ms TTL=250
Thank you,