Error message provider Shared Memory Provider error 0 - No process is on the other end of the pipe

Question

I am trying to deploy my website on windows server 2003   Am i missing something or what is wrong from the following error message  how can I correct it  Thank  I am having the error message      A connection was successfully established with the server  but then an error occurred during the login process   provider  Shared Memory Provider  error  0 - No process is on the other end of the pipe      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  A connection   was successfully established with the server  but then an error   occurred during the login process   provider  Shared Memory Provider    error  0 - No process is on the other end of the pipe        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 identified using the exception stack trace below       Stack Trace         SqlException  0x80131904   A connection was successfully established   with the server  but then an error occurred during the login process     provider  Shared Memory Provider  error  0 - No process is on the   other end of the pipe      System Data ProviderBase DbConnectionPool GetConnection DbConnection   owningObject   1019   System Data ProviderBase DbConnectionFactory GetConnection DbConnection   owningConnection   108   System Data ProviderBase DbConnectionClosed OpenConnection DbConnection   outerConnection  DbConnectionFactory connectionFactory   126   System Data SqlClient SqlConnection Open    125   NHibernate Connection DriverConnectionProvider GetConnection    104   NHibernate Tool hbm2ddl SuppliedConnectionProviderConnectionHelper Prepare      15    NHibernate Tool hbm2ddl SchemaMetadataUpdater GetReservedWords Dialect   dialect  IConnectionHelper connectionHelper   89   NHibernate Tool hbm2ddl SchemaMetadataUpdater Update ISessionFactory   sessionFactory   80   NHibernate Impl SessionFactoryImpl  ctor Configuration cfg  IMapping   mapping  Settings settings  EventListeners listeners   599   NHibernate Cfg Configuration BuildSessionFactory    104   MyProject API Data SessionManager  cctor   in   C  Dev Code API Data SessionManager cs 27

User · Answer

By looking into SQL SERVER log file in  C  Program Files Microsoft SQL Server MSSQL13 MSSQLSERVER MSSQL Log ERRORLOG   it says   Login failed for user  XXXXX   Reason  An attempt to login using SQL authentication failed  Server is configured for Windows authentication only   CLIENT      The fixing method is to open  Microsoft SQL Server Management Studio  -  Right click the SQL server and then select  Properties  -  Security -  Change the authentication to mixed mode  -  Restart SQL server

User · Answer

Hi Just enable both for server authentication as per screen shot attached below

User · Answer

You should enable the Server authentication mode to mixed mode as following  In SQL Studio  select YourServer -  Property -  Security -  Select SqlServer and Window Authentication mode

User · Answer

Just another possibility  I had to restart the sql server service to fix this issue for me

User · Answer

The  real  error was in the SQL error log   C  Program Files Microsoft SQL Server MSSQL14 MSSQLSERVER MSSQL log ERRORLOG  Path will depend on your version of SQL Server

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This is old but I had the problem in the connect dialog that it was still defaulting to a database I had removed  And by running those commands the default database in the prompt wasn t changing  I read somewhere I can t find now  that if you open the  quot Connect to Server quot  dialog and then select  quot Options quot  and select  quot Connection Properties quot  tab by typing the default database  no by selecting from the drop down  the database will then stay on that new value entered  This sounds like a flaw to me but in case someone was wondering about that  that should fix the issue  at least on SQL Server 2012

User · Answer

Goto to SQL server using windows Credentials -    Logins -   Select the Login -   in the Properties -  Check if the Log in is enabled disabled  If Disabled  make it enable  this solution worked for me

User · Answer

Typically  to troubleshoot this  you go to SQL Server Configuration Manager  SSCM  and    ensure Shared Memory protocol is enabled ensure Named Pipes protocol is enabled ensure TCP IP is enabled  and is ahead of the Named Pipes in the settings   Maybe it can help  Could not open a connection to SQL Server

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I had this same error message  turns out it was because I didn t have mixed mode auth enabled  I was on Windows Auth only  This is common in default MSSQL deployments for vSphere  and becomes an issue when upgrading to vSphere 5 1   To change to mixed mode auth you can follow the instructions at http   support webecs com kb a374 how-do-i-configure-sql-server-express-to-enable-mixed-mode-authentication aspx

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Check that the server name you re logging into with SQL Management Studio matches your connection string   I was getting this error today   It turned out that I hadn t realised the machine with SQL Server installed had multiples servers running  I had in fact put my database in a totally different server to the one I thought I was using   So my connection string was pointing to a server with no database   Hence  When  net tried to access the database it couldn t find anything and gave only a misleading error message about pipes   I opened the correct server in SQL Management Studio  added my database to and then all worked fine   If the correct server isn t available in the dropdown  try browsing for it

User · Answer

Check if your connection string has  Trusted Connection true  added

User · Answer

Enable Mixed authentication mode while installing MSSQL server  Also provide password for sa user

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In C  and SQL SERVER  we can fix the error by adding Integrated Security   true to the connection string  Please find the full connection string  constr     quot Data Source  lt Data-Source-Server-Name gt  Initial Catalog  lt DB-Name gt  Integrated Security true quot

User · Answer

I had the same error by in SQL Server Management Studio   I found that to look at the more specific error  look at the log file created by the SQL Server  When I opened the log file  I found this error     Could not connect because the maximum number of    2  user connections   has already been reached  The system administrator can use   sp configure to increase the maximum value  The connection has been   closed   I spend quite some time figuring this out  Finally running the following code fixed my problem   sp configure  show advanced options   1  go  reconfigure go  sp configure  user connections   0 go  reconfigure go   More on here and here  Edit  To view logs search for  logs  on windows startup button  click  view events logs   From there go to Applications under  Windows Logs   You can also choose  System  logs to see system wise errors  You can use filter on current logs by clicking  Filter Current Logs  on right side and then select  Error checkbox

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I was getting this error today  In my case  looking at the ERRORLOG file on the SQL server gave me this error      Login failed for user     Reason  Failed to open the   database    specified in the login properties    This was because I had deleted the  Default database  of this user a few days ago  Setting the default database to my new database fixed the problem   Hope this helps someone else

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In my case it was a spelling mistake in the database name in connection string

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I know i am probably the only one that will have this problem in this way  but if you deleted the mdf files in the C   user   directory  you will get this error too  restore it and you are golden

User · Answer

I forgot to add the  Password xxx   in the connection string in my case

User · Answer

Adding this to my connection string worked for me  Trusted Connection true

User · Answer

All good and valid courses of investigation especially the logs for more info   For those hitting this it might be a simple gotcha where when you have created the DB User you may have enforced a password policy and left the user to change the password on first login  i e  left the checkboxes around the password field at their default values    Very easily done in SQL Management Studio and can of course cause authentication issues off the bat that are masked unless you look into the logs

[sql] Error message: (provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe.)

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