Error Code 11


Definition of Windows codes.

11 An attempt was made to load a program with an incorrect format.


Error Code 11


Definition of PreAuthType codes.

11 PA-ETYPE-INFO The ETYPE-INFO pre-authentication type is sent by the KDC in a KRB-ERROR indicating a requirement for additional pre-authentication. It is usually used to notify a client of which key to use for the encryption of an encrypted timestamp for the purposes of sending a PA-ENC-TIMESTAMP pre-authentication value. Never saw this Pre-Authentication Type in Microsoft Active Directory environment.


Error Code 11


Definition of LogonType codes.

11 CachedInteractive A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials.


This code may be used in the following events / insertation strings:

Insertion Strings

Pre-Authentication Type Logon Type

Security Events

Event ID 4771 Event ID 4768 Event ID 4820 Event ID 4624 Event ID 4625 Event ID 4634 Event ID 4627 Event ID 4626