McAfee Autoupdate Failed Unable to find a Valid Repository

McAfee auto update failed unable find valid repository – McAfee VirusScan Enterprise 8.x user may face this error during the update. The error McAfee auto update failed unable to find a valid repository can be resolved by troubleshooting the issues with the UNC repository. Here we are going to discuss the cause of the issue and the solution of the error.

McAfee auto update failed unable find valid repository

McAfee auto update failed unable find valid repository

Common issues with McAfee VirusScan Enterprise:

  • Unable to find a valid repository.
  • Autoupdate failed with a valid repository.
  • Issues with the SIteStat.xml download.
  • Issues with the CommonUpdater/SiteStat.xml download, nalnt GetLastError()=4.
  • Unable to find McAfee repository URL.
  • Where to find McAfee update repository list?
  • Unable to find McAfee sitestat.xml location on the system.
  • A repository is not usable for the current update session.
  • Unable to find McAfee repository location.
  • McAfee ePO 5.3 unable to find a valid repository
  • McAfee unable to find a valid repository agent handler.

The above-mentioned issues can be caused by the corrupted or missing SiteStat.xml file, an update process looks for the same to validate the repository. In order to resolve the issue, you can directly contact McAfee Support or visit us at You can also try some basic troubleshooting on your own to resolve the error before visiting the technician.

Methods to resolve error McAfee auto update failed unable to find a valid repository:

Method 1 – Try to resolve UNC repository error:

  • Open the Run dialog box by pressing the R key along with Windows key.
  • Now type “\\servername\sharefolder\” in the search box and then press enter.
  • You need to check for the SiteStat.xml, catalog.z, and current folder to make sure that the repository exists.
  • Now set the permissions by opening the VirusScan Enterprise 8.x console.
  • Click on the Start button, now select programs and click McAfee then select VirusScan Console.
  • Now you need to click Tools and then select Edit AutoUpdate Repository List.
  • Click Edit button after selecting the right repository from the list and then make sure that the UNC path is correct.
  • If the user already logged on the system with the permission during the update then you can click Use Logged-On user option.
  • If the user is not correct which is logged on the system then you can enter the right user account with all the permissions.

Method 2 – Try to establish a proxy server:

  • First, you need to open Internet Explorer, click Tools and then select Internet Options.
  • Now click connections and click LAN settings then note down the information present under the Proxy tab.
  • You can also configure and authenticate proxy settings manually for the VirusScan Enterprise.
  • Open the VirusScan Console and then go to Edit AutoUpdate Repository List.
  • Now from the Repository list menu, you need to go to proxy Settings tab and then click Manually configure the proxy settings.
  • You need to configure the settings for both HTTP and FTP, and in order to do that follow the below steps for each:
    • First, you need to enter the IP Address of the proxy server and then in the next box type Port number.
    • Select Use Authentication and then type Username like DomainName\Adminstrator and then type a password.
    • You need to type the password again for the confirmation and then click Ok.

Method 3 – Logging:

In order to help you with the troubleshooting verbose log file is available and you can find it in the default location of the shared folder i.e. C:\Documents and Settings\All Users\Application Data\Network Associates\Common framework\Db. Where the filename is agent_<computer_name>.log

You can find other related information on the SiteStat.xml file. This file is used to search the availability of the Repository Site.

If you follow either of the methods with the precision then you will be able to resolve the issues with the McAfee. In case of any query related to your McAfee product, you can visit us at or contact McAfee Support for the 24/7 support.

McAfee auto update failed unable find valid repository

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