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How to troubleshoot VirusScan Enterprise DAT file update failures
Technical Articles ID:   KB86218
Last Modified:  7/1/2019
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Environment

McAfee VirusScan Enterprise (VSE) 8.x

Summary

There are several reasons why DAT files might fail to update. To identify the cause and either resolve or work around the issue, perform the steps in this article

Solution

Open a web browser and try to connect to http://update.nai.com. If you are unable to access this page, validate all system network settings.

If you can reach update.nai.com, verify that the system can download the DAT file directly from McAfee:
  1. Open the VirusScan Console.
  2. Click Tools, then select Edit Autoupdate Repository List.
  3. Deselect all boxes except McAfee HTTP.
  4. Run an AutoUpdate.
Verify that the system can download the file from the ePolicy Orchestrator (ePO) server:
  1. Open the VirusScan Console.
  2. Click Tools, then select Edit Autoupdate Repository List.
  3. Deselect all boxes except McAfee ePO.
  4. Run an AutoUpdate.
If you can update from McAfee directly and from the ePO server, but not from your normal repository, verify that the repository is reachable from the system and has the latest DAT file.

Solution

Redeploy the McAfee agent using the steps in the appropriate McAfee Agent Product Guide:

For McAfee product documents, go to the Enterprise Product Documentation portal at https://docs.mcafee.com.


WARNING: Reinstallation of the McAfee Agent might cause a duplicate system to appear in the ePO System Tree. If this situation occurs, manually re-add Tags, Policies and Tasks Assigned to a Single System, and Encryption Users.

Workaround

Locally install the DAT file using the steps in KB51679.

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