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Error: 18456, Severity: 14, State: 16 Login failed for user 'NT AUTHORITY\SYSTEM'

Posted By:      Posted Date: August 28, 2010    Points: 0   Category :Sql Server
 
Hi,   can someone help me with this error. Error: 18456, Severity: 14, State: 16 Login failed for user 'NT AUTHORITY\SYSTEM' [CLIENT:<local machine>] I've found several Threads but not with the NT AUTHORITY\SYSTEM.   Thanks for help.   Jens


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When I use the following setting to connect server, it succeeds
Server type: Database Engine
Server name: Home-PC
Authentication: Windows Authentication

User name: Home-PC\John
Password:<empty>

However, when I try to use the following setting to connect the same server, it fails as always
Server type: Database Engine
Server name: Home-PC
Authentication: SQL Server Authentication 
Login:
sa
Password:
1234567

The Error Message as follows
TITLE: Connect to Server
------------------------------
Cannot connect to Home-PC.
------------------------------
ADDITIONAL INFORMATION:
Login failed for user 'sa'. (Microsoft SQL Server, Error: 18456)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476

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Login failed for user 'NT AUTHORITY\SYSTEM'. [CLIENT: ]

  

Error

: 18456, Severity: 14, State: 16.
Login failed for user 'NT AUTHORITY\SYSTEM'. [CLIENT: <local machine>]

I am seeing this error in my SQL log and application event every min.

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Hi All,

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I have just installed  running MSSQL Server 2008 R2 (Express), along with Visual Web Developer 2010 Express In SQL Server Configuration Manager I can see the SQL Server Service running (SQLEXPRESS) and the SQL Server Browser service running. On running SQL Server Management Studio when trying to log on I get the message Login failed for user Phil-PC`Phil (Microsoft SQL Server, Error: 18456) In the SQL Server Error log I see this error 2010-09-16 10:24:16.07 Logon       Error: 18456, Severity: 14, State: 11. 2010-09-16 10:24:16.07 Logon       Login failed for user 'Phil-PC\Phil'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors. [CLIENT: <local machine>] I have been unable to find anything useful on Google on how to resolve this problem. I have tried running the command line utility sqlcmd -L and this lists the following Servers:     Phil-PC     Phil-PC\SQLEXPRESS   In my list of Installed programs in Control Panel I see both MS SQL Server 2008 & MS SQL Server 2008 R2, is that correct?

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Hi.

we have a web application that one company prepared for us. this application read connection string from registery key in hkey_local_machine and connect to sql server 2005 database.

It worked correctly in windows server 2003. we changed our Server'OS to windows server 2008. but we have a problem to login. after try to login we see this error :

Login failed for user ''. The user is not associated with a trusted SQL Server connection.

Server Error in '/dabir' Application.

Login failed for user ''. The user is not associated with a trusted SQL Server connection.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Login failed for user ''. The user is not associated with a trusted SQL Server connection.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be

Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

  

Hi,

We are building a web part to fetch data from SQL Server. The Sharepoint application and SQL database are on two different servers. But when i am trying to access the database from the web part it gives the following error

Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

 Sharepoint site details:

Windows authentication enabled

IIS->Application Pool Identity,IIS->website->Directory security,crediantial used to access the database ,are same
 (administrator Crediantials)

Any help regarding this issue will be greatly appreciated.

Thanks


ragava_28
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