I want to authenticate with Kerberos AES 128-bit encryption on Windows Server 2016.

Asked 2 years ago, Updated 2 years ago, 113 views

In Windows Server 2016 AD, any user can:
Active Directory Users and Computers > Select Any User > Properties > Account > Account Options > Check to support Kerberos AES 128-bit encryption for this account

Kerberos authentication with the above user results in a KRB5KDC_ERR_ETYPE-NOSUPP response.
I'd like to authenticate with AES 128 bits, do you know how to resolve the error?
*I do not want to authenticate with other encryption methods (such as AES256).

windows windows-server openldap ldap active-directory

2022-09-30 17:28

1 Answers

I solved myself.
I was able to authenticate by enabling AES 128 from the local security policy "Configure the types of ciphers allowed by Kerberos."


2022-09-30 17:28

If you have any answers or tips


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