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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