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#monitor#15404

15404

10/24/2025 Product Name Event ID 15404 Event Source MSSQLSERVER Component SQLEngine Symbolic Name SEC_NTGRP_ERROR Message Text Could not obtain informat

Product Name

Event ID

15404

Event Source

MSSQLSERVER

Component

SQLEngine

Symbolic Name

SEC_NTGRP_ERROR

Message Text

Could not obtain information about Windows NT group/user ’

user

’, error code

code.

uses event 15404 during authentication when an invalid principal is specified. Or,

impersonation of a Windows account fails because there’s no full trust relationship between

the SQL Server service account and the domain of the Windows account.

Check that the Windows principal exists and isn’t misspelled.

If this error results from a lack of a full trust relationship between the SQL Server service

account and the domain of the Windows account, one of the following actions can resolve the

error:

Use an account from the same domain as the Windows user for the SQL Server service.

If SQL Server is using a machine account such as Network Service or Local System, the

machine must be trusted by the domain containing the Windows User.

Use a SQL Server account.

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