SymptomsPlesk SLL Wrapper service fails to start
CausePlesk uses stunnel from http://www.stunnel.org as Wrapper service.
Stunnel could fail to start as it requires to be upgraded.
ResolutionUpgrade stunnel using the following scenario:
1. Download the latest version of stunnel
2. Create new folder stunnel in %plesk_dir%
3. Run stunnel installer and point installation folder to %plesk_dir%\stunnel
4. Change SSL Wrapper service image path to new location by configuring the service in registry
Set it to real path for stunnel.exe in folder %plesk_dir%\stunnel
5. Replace %plesk_bin%\stunnel\stunnel.conf with file stunnel.conf from %plesk_bin%.
Now SSL Wrapper service should be able to start.