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SharePoint 2016 Central Admin – Security – Manage Antivirus Settings

When you click on the Specify web application user policy Link, you will be landed on Antivirus page. This page will let you manage the antivirus settings (i.e. document scanning on upload or download etc.) for the SharePoint farm.

Antivirus settings page’s direct link: /_admin/AVAdmin.aspx

In today’s world, we have security threat all the times and as a SharePoint administrator, it is our responsibility to protect the SharePoint environment. If virus or malware make to SharePoint which can cause big damage from a corruption of environment or data loss or data stealing. To protect the SharePoint farm, we have to implement the Antivirus in the environment. There are many antiviruses available in the market, pick any one which fulfils your requirement.

Note: these settings will not take effect until you have an antivirus solution installed on all web front servers in the SharePoint farm.

One thing keeps in mind, that if you enabled scanning option you will see some performance issues as every time you upload or download a document, it will be scanned.

Options on the page

You can control the antivirus settings on this page, following settings can be configured.

Scan documents on Upload: If you enable this setting then every time you upload a document or save a document, installed antivirus software will scan it. By default, this setting is disabled.

Scan documents on download: if you enabled this option then every time user download the document then installed antivirus software will scan it. By default, this option disabled.

Allow users to download infected documents: by default, this option is enabled, which means even a document is infected by a virus, it will let the user download the files.

Attempt to clean infected documents: if you allow users to download the infected documents then you can check this option which allows installed an antivirus to clean the document. If you don’t allow user to download infected documents, then if clean up attempt fails then user will not able to download it.

Antivirus Time out: we can also set a time out settings, which help us to keep the best performance in SharePoint. With this setting, we tell antivirus that after set time it will be timeout. By default, the value is 300 seconds.

Antivirus Thread: you can control the number of threads antivirus can start, by default 5 threads setting configured. You have to careful about these settings because it can hurt the performance of the servers.

To Configure the Antivirus Settings.

To configure the antivirus settings please follow the steps below.

  • Login to central admin with an account who is part of farm administrator group.
  • On Antivirus page please configure the following options
    • Scan Documents on Upload
    • Scan documents on download
    • Allow user to download infected documents
    • Attempt to clean infected documents
    • Antivirus timeout
    • Antivirus threads
    • Click OK

This will configure the settings for antivirus, as I said earlier these settings will not take effect until you install the antivirus software on all web front end. You have to be careful with these settings as it can put more pressure on the SharePoint server and hurt the performance.

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