If Windows machines fail to complete EAP-TLS authentication with ISE, with Event 5400 Authentication failed error, follow the solutions mentioned below. Note: You might get a few messages saying ...

A fix introduced into Windows last month to close a weakness in Kerberos authentication is causing logon failures for some Windows Hello for Business (WHfB) users, Microsoft has warned. In theory, the ...

Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks.

Microsoft has officially deprecated NTLM authentication on Windows and Windows servers, stating that developers should transition to Kerberos or Negotiation authentication to prevent problems in the ...

Microsoft has announced it is taking steps to eventually disable NTLM (NT LAN Manager) for authentication features in Windows 11 and add new features to Kerberos to take its place. The various ...