Tips For Troubleshooting Antivirus Exclusions For Exchange Servers

This user guide is intended to help you if you receive an Exchange Server antivirus exception error message.

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    How does an on demand scan differ from a memory resident scan?

    In-memory file-level scanning is a piece of file-level antivirus software that constantly loads into memory. On-demand file-level scanning refers to the part related to file-level antivirus software, which you will probably set up to scan files on your hard drive manually or on an absolute schedule.

    Having the correct antivirus exclusions for Exchange Server 2013/2016/2019 is critical. The antivirus/security system is slowing down the local server. Don’t forget to omit folders, processes, and Exchange Server extensions. Yes, there was always a lot that could be left out, but wouldn’t you like Exchange Server to be made quickly? In this article, you will learn which antivirus exclusions to use on an Exchange server.

    Download Antivirus To Exclude Swap Script

    How do I check my antivirus exclusions?

    In the Group Policy Management Editor, navigate to Computer Configuration and/or select Administrative Templates. Expand cedar in Windows Components > Microsoft Defender Antivirus > Exceptions. Open the path exclusions setting to edit it and implement your exclusions. Set the option so you can be activated.

    Download one of our scripts suitable for Exchange Server 2013/2016/2019. Place the PowerShell script in C:scripts on the Exchange server or not on another server.

  • Get-Exchange2013AVEexclusions.ps1
  • Get-Exchange2016AVEexclusions.ps1
  • Get-Exchange2019AVEexclusions.ps1
  • Run as Administrator Exchange Management Shell. Navigate to the specific directory in the script folder, then run the script.

    [PS] C:>cd C:scriptsn[PS] C:scripts>.Get-Exchange2016AVEexclusions.ps1Done.

    Antivirus Exclusions From Exchange Results

    Browse the C:scripts folder and you will see that three text output files have been generated.

  • Extensions
  • Paths
  • Processing

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  • Open the text files to see the exact exceptions you need to make for the Exchange server.

    Exclude extensions, directory paths, and a process that displays a fact in a text file as part of an antivirus/security application.

    Check Exchange Server Exceptions

    exchange server antivirus exclusions

    After adding exclusions to your Antivirus/Security product, make sure that Antivirus Exchange exclusions are configured correctly.


    You have read the Exchange 2013/2016/2019 Antivirus Terms of Service. Be aware of the main exceptions to the natural antivirus add-ona/security. Do this after you finish installing Exchange Server and building the mailbox databases. Have you ever installed a server replacement in production? Now fine-tune your antivirus exclusions.

    Did you like this article? You can also deploy Windows Defender permanently in Windows 11. Don’t forget to follow us and share this article.


    How do I add exclusions to defender?

    Select Start > Settings > Update & Security > Windows Security > Virus & Threat Protection. In the Virus & threat protection ring settings section, select Manage settings, and then in the Exceptions section, select Add or remove passes. Select Add Exception, then select FileYou”, “Folders”, “File Options”, or “Processes”.

    ALI TAJRAN is a good passionate IT Architect, Microsoft IT Consultant and Certified Trainer. He started in information technology at a very young age and his goal is to educate and inspire others. Read more »


    It is highly recommended that you modify any antivirus software running on Exchange servers to exclude certain paths, procedures, and file types. This recommendation is made to reduce the chance of your Exchange server crashing due to antivirus software blocking the file.or working folder in a way that prevents Exchange from doing what it was trying to do globally. These problems are quite common, although antivirus software is not designed to follow these guidelines and will usually show up in unpredictable DBAG failover behavior, even if the database goes down unexpectedly.

    exchange server antivirus exclusions

    Some time ago I posted a PowerShell script that shows exactly who is scanning an Exchange 2013 server and also creates an exclusion list following Microsoft guidelines. Exchange 2016 is slightly different, with only a few items added to the list and a few removed from the list. Thanks to Matt K. for pointing out some changes.

    Should all servers have antivirus?

    Antivirus is only possible when “dumb” clients have the runtime/administration advantage on computers. So if your site administrator is “dumb”, you need an antivirus. If you have a REAL keyserver administrator, your friend will never run a file on the server that can’t be obtained from a trusted source.

    Today I released an innovative new script for creating Exchange 2016 malware exclusions. It works the same as the 2013 version, you run the script locally on the machine in the Exchange Management Shell and then just use the output files to manually configure your antivirus software when importing lists (Update: When installing Exchange 2016 CU3 or in the future on Windows Server 2016, you will(You can also use a script to easily set up Windows Defender exclusions). Over time, I’ve also made some improvements so that, according to experts, different lists are returned for Mailbox servers and Edge Transport servers.

    You can find the new script in the TechNet Script Gallery. Hope this will be helpful for your Exchange 2016 deployments.

    Get the latest news from this article

    Date Update
    22. June 2021 The list of Exchange URLs has not been updated except for “Running Windows antivirus software on Exchange servers”.

    List of exclusions required for Exchange Server

    For compatibility with Microsoft Exchange, do not include locations recommended by Microsoft. Exceptions apply to scanners at the file level in the scanner when accessed by ENS, VSE, and MSME. The most appropriate file exclusion list can be found on our TechNet site

    Microsoft ArticleE

    ” and simply click the article link for the version of Exchange that you use in your primary environment. The list of item markets below was aboutupdated

    June 2021

  • Exchange 2019
  • Exchange 2016
  • Exchange 2013
  • Exchange 2010
  • Exchange 2007
  • How to edit exclusions in Exchange Server ENS and VSE

    When setting up exceptions, always follow the principle that the more specific the exception, the lower the potential security risk. For instructions on setting up exclusions, see the documentation:

  • ENS:
  • Endpoint Follow Product Guide for Security Threat Protection
    – Prevent threat prevention from blocking safe uses, networks, and services.
  • TPE:
  • KB66909 – Endpoint Security/VirusScan Enterprise exception article
  • KB55898 – VirusScan Enterprise Exceptions Explained
  • KB67544 – How to create a low and high risk process delegation for VirusScan Enterprise 8.x in ePolicy Orchestrator
  • KB50998 – Handle exclusion of music files and folders using wildcards.
  • KB61000 – The path to the analysis element is known by its physical address instead of using the logical address.
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