SymptomsAny Plesk server related action in Expand, such as domain creation, client creation, etc... fails with the following error:
<errtext>[Transport] Bad HTTP answer code. [Transport] Bad HTTP
answer code. Plesk server is unreachable now: HTTP answer code is 302
instead of 200(OK).
CauseSuch error occurs if Plesk server, that is managed by Expand, is instailled in Virtuozzo CT and offline management option is enabled for this CT.
ResolutionHere is information from Expand release notes:
It is recommended that you disable the 'offline management' option for Plesk servers running in Virtuozzo CT. Otherwise, you might have problems using features like 'Login to Plesk server', 'Centralized Mail', etc.
Disable offline management for the Plesk CTs that are registered in Expand.
In Parallels Virtuozzo Container for Linux it can be done with:
vzctl set 101 --offline_management=no --save
and in Parallels Virtuozzo Container for Windows:
vzctl set VEID –offline_management no –save