Microsoft-Windows-Security-Auditing › Event 4822

Event ID 4822 — NTLM authentication failed because the account was a member of the Protected User group.

Provider
Microsoft-Windows-Security-Auditing
Channel
Security
Collection Priority
Recommended (ASD)
Opcode
Info

Description

NTLM authentication failed because the account was a member of the Protected User group.

Message #

NTLM authentication failed because the account was a member of the Protected User group.

Account Name: %1
Device Name: %2
Error Code: %3

Fields #

NameDescription
Account_Name UnicodeString
Device_Name UnicodeString
Error_Code HexInt32
AccountName UnicodeStringAccount Name
DeviceName UnicodeStringDevice Name
Status HexInt32Error Code NTSTATUS reference

Community Notes #

NTLM authentication was blocked because the account is a member of the Protected Users group. Protected Users cannot authenticate via NTLM.

The Status field is an NTSTATUS code:

CodeNameDescription
0xC000006DSTATUS_LOGON_FAILUREGeneric failure
0xC000006ESTATUS_ACCOUNT_RESTRICTIONProtected User restriction prevented NTLM

References #