Windows Event ID 4768 – Kerberos Authentication Ticket Requested

Event ID 4768 has been encountered by many Windows users recently, which indicates that attempts to verify account credentials have failed. But don’t worry, this article will show you how to fix Event ID 4768 Kerberos authentication ticket request.

Windows Event Viewer can store a large amount of event information, including some very important security events. At the same time, it can also solve various problems. And many users are currently experiencing Event ID 4768, which contains the message Kerberos Authentication Ticket Request. First of all, we need to understand the cause of event ID 4768.

Reasons Causing Event ID 4768

There are several reasons causing event ID 4768:

  • Issues with Microsoft Windows: There may be a known bug in Windows Server that may prevent some users from authenticating with a Kerberos database and create Event ID 4768.
  • Misconfiguration: Any misconfiguration on the Windows server can also trigger this issue.
  • Problematic update: If you start seeing this Event ID after installing an update, there is likely a problem with the update.

How to Fix Event ID 4768?

Before repairing, it is recommended to do the following to avoid any unnecessary troubles:

  • Make sure Windows Server is up to date.
  • Make sure the server time is correct.
  • There is no problem with the network connection.

Once you have prepared the above, follow the steps below to fix Event ID 4768: Request for Kerberos authentication ticket.

Method 1. Manually install the required hotfixes

  • Go to the Microsoft Update Catalog.
  • Search for update KB5015019.
  • Download updates.
  • Install it on Windows.
  • Restart the Windows server/PC.

Installing that specific patch, such as KB5016693, should resolve Event ID 4768 Kerberos authentication ticket requests.

Method 2 Uninstall the problematic update

  • Open the Start menu, type Control Panel, and hit Enter.
  • Go to Uninstaller.
  • Click View Installed Updates.
  • Uninstall the problematic update.

If you started experiencing this Event ID 4768 after installing an update, uninstalling the update can fix the problem.

Method 3 Use a firewall

  • In Control Panel, click System and Security.
  • Then, go to Windows Defender Firewall.
  • Go to advanced settings.
  • Configure inbound and outbound rules.

Event ID 4768 can be fixed by using a firewall.

Method 4 Enable virtual private network

You might also consider configuring VPN connections for other users on the system. Therefore, when they try to access your system, they must first access the local network using a VPN. In this case, Kerberos authentication can validate the credentials without encountering any other issues, and no event ID 4768 is stored. However, this method is only suitable for specific situations.


This article tells you 4 ways to fix event ID 4768 – kerberos authentication ticket requested. If you are facing this problem, you can follow above 4 ways to fix them one by one.


Leave a Reply