Symptoms

Service drwebd fails to start:

# service drwebd start
Starting Dr. Web daemon...
Dr.Web (R) daemon for Linux/Plesk Edition v5.0.1.5
Copyright (c) Igor Daniloff, 1992-2009
Doctor Web, Moscow, Russia
Support service: http://support.drweb.com
To purchase: http://buy.drweb.com
Shell version: 5.0.0.10060 <API:2.2>
Engine version: 5.0.0.12182 <API:2.2>
Loading /var/drweb/bases/drwtoday.vdb - Ok, virus records: 26381
...
Loading /var/drweb/bases/drwnasty.vdb - Ok, virus records: 19303
Total virus records: 698746
Key file: /opt/drweb/drweb32.key - License key file error!
A path to a valid license key file was not specified.
Plesk authorization failed: HTTP request error [7]
Error: Plesk Software not running.

Cause

The license key is in Plesk format, which is not compatible with OA format.

Resolution

Please follow the KB #112230 to reformat the key properly and try to start the service again.

Internal content