Strangely enough it worked now.

Sorry for bothering. I first asked on IRC and was asked to report to the developers.

Thanks for all your efforts,
Stephan Hradek


> Am 29.09.2021 um 17:20 schrieb Stefan Kangas <stefan@marxist.se>:
> 
> Stephan Hradek <stephan.hradek@eco.de> writes:
> 
>> Trying to do a package-refresh-contents my emacs times out reporting
>> 
>> error in process sentinel: Error retrieving: https://elpa.gnu.org/packages/archive-contents (error connection-failed "connect" :host
>> "elpa.gnu.org" :service 443) [2 times]
>> 
>> Trying with M-x eww to load that url fails
>> 
>> Other URLs like gnu.org or ix.de work
> 
> It works for me.  Did you try getting that file with wget or curl?
> 
> Could you try it again, to exclude some intermittent network failure?