Created attachment 842403 [details]
save_y2logs

While trying to perform installation via vnc, without activation of online
repositories, package xorg-x11 is not available. 

As a result, after the remote installation, xvnc is not active.

Attached there is a screenshot of installation overview, displaying the error
message and save_y2logs.

from installation logs:

YaST2/y2log:2020-10-08 08:21:18 <1> install(7008) [Pkg]
Package.cc(PkgQueryProvides):132 Searching packages providing: xorg-x11
YaST2/y2log:2020-10-08 08:21:18 <3> install(7008) [Ruby]
modules/Packages.rb(block in find_providers):2454 Provider not found for
'xorg-x11'

after installation xorg-x11 package is not installed if online repositories are
disabled. On the contrary, if online repositories are enabled, xorg-x11 is
installed.