i have a linmux server which runs plesk 8.6 with sevarall websites running. Somehow plesk is messed up and only showing 1 domain all other are not shown anymore ?!?! I don't know how this happens but i really need it up working again correct. This also seems to be a good change to upgrade PLESK at the same time.
1 Upgrade Plesk (8.6 -> a higher version)
2 Add the missing domains to the Plesk
extra notice: you will get FULL root access to the server!
This needs to be done ASAP !!!