Solved

Sql Login failed

Posted on 2012-04-06
14
586 Views
Last Modified: 2012-04-10
Login failedHi,

I have issue when I try to login by SQL Authentication mode
I can open the database and browse the tables, but I can not login by  SQL Authentication mode.
Environment:
VMware
Windows server 2008
Sql 2008
0
Comment
Question by:samprg
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 5
  • 4
  • 2
  • +3
14 Comments
 
LVL 17

Expert Comment

by:Anuroopsundd
ID: 37818372
•Right click on instance (IE SQLServer2008)
•Select "Properties"
•Select "Security" option
•Change "Server authentication" to "SQL Server and Windows Authentication mode"
•Restart the SQLServer service
•Right click on instance
•Click "Restart"


http://stackoverflow.com/questions/2474839/unable-to-login-to-sql-server-sql-server-authentication-error-18456
0
 

Author Comment

by:samprg
ID: 37818406
It is "SQL Server and Windows Authentication mode" already
0
 
LVL 17

Expert Comment

by:Anuroopsundd
ID: 37818443
Can you view the event logs and see if their are any errors their when you try to login.
0
Best Practices: Disaster Recovery Testing

Besides backup, any IT division should have a disaster recovery plan. You will find a few tips below relating to the development of such a plan and to what issues one should pay special attention in the course of backup planning.

 
LVL 17

Expert Comment

by:Anuroopsundd
ID: 37818456
are you trying to login using SQL account or machine/domain account?
0
 

Author Comment

by:samprg
ID: 37818458
I found this event log
error1.PNG
0
 
LVL 17

Assisted Solution

by:Anuroopsundd
Anuroopsundd earned 100 total points
ID: 37818462
Logon as a local administrator.

2. Stop the "SQL Server" service and run "C:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\Binn\sqlservr.exe" -m" (as described in http://connect.microsoft.com/SQLServer/feedback/ViewFeedback.aspx?FeedbackID=353451 to start SQL Server in Local Only mode.

3. Logon to SSMS from the server itself - no password required.

4. Add your own domain account as a Login, with sysadm server role.

5. Restart the SQL Server service



http://social.msdn.microsoft.com/Forums/en/sqlsecurity/thread/67516616-a377-46b3-a0f8-b64e2bef9660
0
 
LVL 12

Assisted Solution

by:NormanMaina
NormanMaina earned 100 total points
ID: 37818523
Hey -BEFORE you try the ABOVE :::

Do this:
Verify that the windows user logged in and accessing SQL Server has the necessary permissions in SQL SERVER by going to the security tab and checking if the windows user is already setup.

windows users will appear in this format : domain\username
security-tab.jpg
0
 
LVL 13

Assisted Solution

by:Felix Leven
Felix Leven earned 100 total points
ID: 37818551
There are different reasons for this event. If the mentioned solutions fail, check
http://eventid.net/display-eventid-18456-source-MSSQLSERVER-eventno-8175-phase-1.htm

And post what comes closest to your environment.
0
 
LVL 12

Assisted Solution

by:Patricia Siu-Lai Ho
Patricia Siu-Lai Ho earned 100 total points
ID: 37818905
Hi Samprg,

Have you checked your login page, the path pointing to connect to your database is correct?

Patricia / pslh
0
 

Author Comment

by:samprg
ID: 37819606
I have tried to login by "sa" gives me error
memoryI tried again , I got same error "Login failed......" th above
0
 
LVL 13

Expert Comment

by:Felix Leven
ID: 37819734
Try to disable shared memory provide in sql configuration manager. Seems to be a Problem in Virtual SQL Servers.
0
 

Author Comment

by:samprg
ID: 37819760
I did and same error "Login failed....."
0
 
LVL 15

Accepted Solution

by:
Deepak Chauhan earned 100 total points
ID: 37827752
It is seem like port error Please try to connect to sql server with port name

eg: servername\instancename, 1433

if you are using windows group user like domainname\username then sql server will  connect in windows authentication model
not in sql authentication mode

If you are using sql server user then it will be connect in sql authentication model

and another thing please check port in sql sever configuration and endpoint also
0
 

Author Closing Comment

by:samprg
ID: 37828758
Thank you
0

Featured Post

Get 15 Days FREE Full-Featured Trial

Benefit from a mission critical IT monitoring with Monitis Premium or get it FREE for your entry level monitoring needs.
-Over 200,000 users
-More than 300,000 websites monitored
-Used in 197 countries
-Recommended by 98% of users

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Background Information Recently I have fixed file server permission issues for one of my client. The client has 1800 users and one Windows Server 2008 R2 domain joined file server with 12 TB of data, 250+ shared folders and the folder structure i…
A Stored Procedure in Microsoft SQL Server is a powerful feature that it can be used to execute the Data Manipulation Language (DML) or Data Definition Language (DDL). Depending on business requirements, a single Stored Procedure can return differe…
Via a live example, show how to extract information from SQL Server on Database, Connection and Server properties
Using examples as well as descriptions, and references to Books Online, show the different Recovery Models available in SQL Server and explain, as well as show how full, differential and transaction log backups are performed

707 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question