Key File

User rights for the Dr.Web for Kerio Connect product are stored in the special key file. The file contains information on the purchased license or a demo period and regulates usage rights in accordance with it.

A valid key file satisfies the following criteria:

license period is not expired,

the key file applies to all components of Dr.Web for Kerio Connect,

integrity of the key file is not violated.

If any of the conditions is violated, the license key file becomes invalid, Dr.Web for Kerio Connect stops detecting malicious programs and transmits the email traffic unchanged.


The key file is digitally signed to prevent its editing. The edited key file renders invalid. It is not recommended to open your key file in text editors in order to avoid its accidental invalidation.

Key File Installation

Dr.Web for Kerio Connect requires a valid key file for correct operation. The path to this file is specified after the plug-in installation.


During the Dr.Web for Kerio Connect operation, the key file must be located in the default directory /etc/opt/ under the name drweb32.key.

Plug-in components regularly check the key file for availability and validity. If no valid key file (license or demo) is found, or if the license is expired, operation of the anti-virus components is blocked until a valid key file is installed.

It is recommended that you keep the license key file until it expires, and use it to reinstall the product or install it on a different computer. In this case, you can use the same product serial number and customer data that you provided during the registration.

If you have a key file corresponding to the valid license for Dr.Web for Kerio Connect (for example, if you obtained the key file by email or if you want to use the program on another server), you can activate the product by specifying the path to the key file. For that, do the following:

1.Unpack the key file if archived and save it in any available directory (for instance, a local directory or removable media).


In email messages, key files are usually transferred in ZIP archives. The archive containing the key file for product activation usually named (note that if the message contains several archives, then it is necessary to use the archive).

2.Then copy the key file to the /etc/opt/ directory and rename the file to drweb32.key if necessary.

3.To accept the changes, restart Dr.Web for Kerio Connect with the reload command from the Dr.Web Ctl utility.