SYMPTOMS
Plesk Control Panel does not work after Crystal Reports installation.The following error is displayed:
Fatal error: EVP_VerifyInit failed in C:\Program Files\SWsoft\Plesk\admin\auto_prepend\auth.php3 on line 40
The error appears only in case Plesk Control Panel running on IIS. If Apache is used as control panel provider, Plesk works normally.
CAUSE
Crystal Reports replaces C:\Windows\System32\libeay32.dll and C:\Windows\System32\ssleay32.dll files which were installed by Plesk. The libraries which are shipped with Crystal Reports are not compatible with Plesk.RESOLUTION
Please replace mentioned libraries back. Simply copy ones from %plesk_bin% folder to C:\Windows\System32Additional information
%plesk_dir% is environment variable which points to Plesk installation folder. By default it is C:\Program Files\SWsoft\Plesk
%plesk_bin% is environment variable which points to Plesk binaries folder. By default it is C:\Program Files\SWsoft\Plesk\admin\bin