SymptomsThe "500 internal error" is displayed if you try to manage databases with phpMyAdmin.
phpMyAdmin can be accessed if it is opened from the local server, but css files are not loaded. The page successfully loads, but without graphics.
Note: If you are looking for a solution to the 500 - Internal Server Error, make sure you check out the main article: #114882:[HUB] 500 - Internal Server Error.
ResolutionThis problem was discovered in Parallels Plesk Panel 10.0.x and has been fixed since 10.1.1 MU#12.
WorkaroundTo fix this issue in version 10.0.x, the following hotfix should be applied on your server.
Replace the %plesk_dir%\admin\plib\Db\Statement\Mssql.php file with the file from the attached archive.
Do not forget to back up the original file.
After the hotfix installation, check if phpMyAdmin can be accessed.