Release Notes for Dr.Web for Microsoft Exchange Server 12.0

Dr.Web for Microsoft Exchange Serveris an anti-virus plug-in designed on the basis of the latest and most advanced antivirus technologies of Doctor Web to protect corporate mail systems against viruses and spam. It flexibly integrates into the system of Microsoft Exchange Server, processes each message and attachment dispatched to the server, and neutralizes all types of viruses and malware. The plug-in checks the mail traffic for viruses, dialers, adware, hacktools, jokes and riskware.

•Filtering and blocking spam, using manually compiled black and white lists of addresses (if the anti-spam module is installed)

•Registering incidents in Windows Event log and in the internal cmstracedb event database of Dr.Web CMS platform

•Supporting the common application settings on a distributed system of firewalls, including those organized in clusters

For Microsoft Exchange Server, Dr.Web for Microsoft Exchange Server integrates its own transport agents into the server transport system, thus, providing Dr.Web anti-virus engine with access to the e-mails and their attachments. For the versions of Microsoft Exchange Server earlier than Microsoft Exchange Server 2013, the VSAPI (the Virus Scanning Application Programming Interface developed by Microsoft for Exchange Servers) is also supported.

Dr.Web for Microsoft Exchange Server uses virus databases which are constantly supplemented with new records to assure up-to-date protection. Also, a heuristic analyzer is used for additional protection against unknown viruses.

The support of third-party DNSBL servers added in the settings of Anti-spam component.

To install Dr.Web for Microsoft Exchange Server, your computer should meet the following minimum requirements:

Specification	Requirement
RAM	512 MB or more
Disk space	1 GB or more
Operating system	•Microsoft Windows Server 2008 x64 •Microsoft Windows Server 2008 R2 •Microsoft Windows Server 2012 •Microsoft Windows Server 2012 R2 •Microsoft Windows Server 2016 •Microsoft Windows Server 2019
Microsoft Exchange Server	•Microsoft Exchange Server 2007 x64 with SP1 •Microsoft Exchange Server 2010 x64 •Microsoft Exchange Server 2013 with SP1 (Cumulative Update 5 or running Exchange2013-KB2938053-Fixit script is required) •Microsoft Exchange Server 2016 with Cumulative Update 3 (or later) •Microsoft Exchange Server 2019

Before installation of Dr.Web for Microsoft Exchange Server, please review the following information on product compatibility:

1.Dr.Web for Microsoft Exchange Server of version 12.0 is compatible only with Dr.Web products of major version 12.0, including Enterprise Security Suite 12.0.

2.Dr.Web for Microsoft Exchange Server is not compatible with other anti-virus software. Installing two anti-virus programs on one computer may lead to system crash and loss of important data. If you already have another anti-virus software installed then it is necessary to uninstall it using the installation file or standard tools of the OS.

3.Dr.Web for Microsoft Exchange Server of version 12.0 is not compatible with Dr.Web for Microsoft ISA Server/Forefront TMG.

•Install all critical updates released by Microsoft for the OS version used on your computer (available at https://windowsupdate.microsoft.com).

If you are using Microsoft Exchange Server 2013 with SP1, but without Cumulative Update 5, run the Exchange2013-KB2938053-Fixit script available on the Microsoft official website at https://support.microsoft.com/kb/2938053 before installation to prevent errors of registering the transport agents during the installation.

1.Run the installation file drweb-[version]-av-exchange-windows-x64.exe. The InstallShield Wizard opens on the first window of the installation process.

2.To continue installation, you should read and accept the terms of the License Agreement by selecting I accept the terms in the License Agreement.

To do so, click Open the list of services link, right-click the service in the list and then click Stop. Once the service is stopped, click Next.

Stopping Microsoft Exchange Transport service manually is required to preserve the installation integrity on the server operating under load.

In some cases Microsoft Exchange Transport service may take considerable time to stop.

4.Select the licensing type. You can register your license later, specify the path to the valid license key file or use the key file from the central protection server if Dr.Web Agent is installed on your computer. Click Next.

For correct plug-in operation, specify the path to the drweb32.key license key file.

To register license after installation or to renew it, copy the valid license key file to the program installation folder, then restart Dr.Web for MSP Scanning Service.

5.Before starting the installation procedure, click Installation parameters to configure the following parameters:

•Install transport agents—allows you to install transport agents (enabled by default). Enabling this option registers the DRWTransportAgent.dll library and its transport agents (anti-virus and anti-spam) by Microsoft Exchange Transport service.

•Install VSAPI—allows you to install the DrWebVSAPI.dll component for scanning via VSAPI (not supported in Microsoft Exchange Server 2013 and later) provided by Microsoft Exchange Information Store service. If this option is enabled, you can also configure additional parameters: enable scanning of the outgoing messages, proactive and background scanning.

You can also enable the transport agents installation and registration monitoring by selecting the Enable transport agents monitoring option. During the installation on Microsoft Exchange Server, transport agents are registered in SMTP transport system by Exchange PowerShell, which does not close automatically, so you need to enter the exit command manually to complete installation.

To avoid transport agents registration errors during the installation, please make sure that the RemoteExchange.ps1 script is installed on Microsoft Exchange Server (the script is located by default in the C:\Program Files\Microsoft\Exchange Server\V14\bin\ folder on Microsoft Exchange Server 2010 or in the C:\Program Files\Microsoft\Exchange Server\V15\bin\ folder on Microsoft Exchange Server 2013).

6.If you are re-installing the application, you may use the saved configuration (if you have selected the corresponding option during its removal) or delete it and re-configure the application after installation. Click Next.

The installation of Dr.Web for Microsoft Exchange Server on your computer starts. By default, program files are copied to %Program Files%\DrWeb for Exchange and %Program Files%\Common Files\Doctor Web folders. the event logs and auxiliary files are copied to %Program Data%\Doctor Web folder.

7.If you have selected the Enable transport agents monitoring option when configuring thee installation parameters, you need to exit the monitoring window after the transport agents are installed and registered. The "Dr.Web AntiVirus Agent enabled" and "Dr.Web AntiSpam Agent enabled" messages in PowerShell indicate the successful agents registration by Microsoft Exchange Transport service. Enter the exit command in PowerShell.

The restart is not required: the Microsoft Exchange Transport service starts automatically, resulting the correct operation of the server. However, if the POP3 and IMAP4 supporting services are running on the server, restarting the Microsoft Exchange Transport service may disconnect them from the server transport system. In this case it is recommended that you wait until Microsoft Exchange Transport and the installed application services are started and then restart the Microsoft Exchange POP3 and/or Microsoft Exchange IMAP4 services manually (or restart the computer).

To update Dr.Web for Microsoft Exchange Server to version 12.0, it is necessary to start installation of this version of the application. If a previous version is detected during the installation of Dr.Web for Microsoft Exchange Server of version 12.0, you are prompted to delete it. If you confirm the deletion, the previous version is deleted, then the computer is restarted. Then Dr.Web for Microsoft Exchange Server installation procedure described above starts.

If you encounter any issues installing or using company products, before requesting for the assistance of the technical support, take advantage of the following options:

If you have not found solution for the problem, you can request direct assistance from Doctor Web company technical support by one of the following ways:

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