SQL Server 2008 Connection Error No process is on the other end of the pipe

Question

Let me begin by saying  I am aware of this thread and others around the web that seek to trouble shoot this issue   The solutions posted there do not apply to my issue   I have spent 5 hours trying to resolve this before deciding to ask the question   The problem  When I attempt to log into SSMS  or connect from a java application  using SQL Authentication I get this error      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      Microsoft SQL Server  Error  233    Although it does work  it is not an option for me to use integreated authentication  The database I am attempting to connect to is on the same machine as my SSMS instance   There is no network  this is a stand-alone system   NAMED PIPES is ENABLED in my configuration  I HAVE rebooted since  TCP IP is a higher priority than named pipes in my configuration   I have even gone as far as to uninstall SQL Server and reinstall it  to no avail   The details of my SQL Server instance are as follows   Microsoft SQL Server Management Studio - 10 0 2531 0 Microsoft Analysis Services Client Tools - 10 0 1600 22 Microsoft Data Access Components  MDAC   - 6 1 7601 17514 Microsoft MSXML - 3 0 5 0 6 0  Microsoft Internet Explorer - 9 0 8112 16421 Microsoft  NET Framework - 2 0 50727 5466 Operating System     - 6 1 7601   Configuration details are as follows  http   i45 tinypic com vxdz7c png http   i45 tinypic com vxdz7c jpg  I connect from java using this code     Class forName  com microsoft sqlserver jdbc SQLServerDriver    String connectionUrl    jdbc sqlserver   localhost database AdventureWorks integratedSecurity false User JIMBO  Password JIMBO    Connection con   DriverManager getConnection connectionUrl     But please remember  this error also occurs when I atttempt to log in to SSMS directly  Thanks in advance   -Jim

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For me the issue seems to have been caused by power failure  Restarting the server computer solved it

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For me it was because only Windows Authentication was enabled  To change security authentication mode  In SQL Server Management Studio Object Explorer  right-click the server  and then click Properties  On the Security page  under Server authentication  select the new server authentication mode  and then click OK  Change Server Authentication Mode - MSDN - Microsoft https   msdn microsoft com en-AU library ms188670 aspx

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This Might help as reference  I had the same issue  after multiple trial of suggested solution on this site and others  I found a solution for my scenario  The account was locked out How to Check if the account is Locked out     Login to the server using higher privileged account  like SA or admin rights  Expand security     select the login name    open the property window of the login     select the status page on the property window  Make sure This 3 Things 1  permission to connect database is GRANTED 2  Login is ENABLED  3  Status  SQL server authentication  Login is not locked out  Uncheck the box   Thanks Tsige

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This problem was caused for me by this error which appeared just prior in the application error log    A read operation on a large object failed while sending data to the client  A common cause for this is if the application is running in READ UNCOMMITTED isolation level  This connection will be terminated    I was storing PDFs in a SQL table and when attempting to SELECT from that table it spit out that error  which resulted in the error mentioned in your question   The solution was to delete the columns that had large amounts of text  in my case Base64 encoded files

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Forcing the TCP IP connection  by providing 127 0 0 1 instead of localhost or    can reveal the real reason for the error  In my case  the database name specified in connection string was incorrect   So  here is the checklist so far    Make sure Named Pipe is enabled in configuration manager  don t forget to restart the server   Make sure SQL Server Authentication  or Mixed Mode  is enabled  Make sure your user name and password are correct  Make sure the database you are connecting to exists

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Adding  user instance False  to connection string solved the problem for me    lt connectionStrings gt     lt add name  NorthwindEntities  connectionString  metadata res     Models Northwind csdl res     Models Northwind ssdl res     Models Northwind msl provider System Data SqlClient provider connection string  amp quot data source   SQLEXPRESS2008R2 attachdbfilename  DataDirectory  Northwind mdf integrated security True user instance False multipleactiveresultsets True App EntityFramework amp quot   providerName  System Data EntityClient    gt   lt  connectionStrings gt

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Another cause is if the user s default database is unavailable   I had an account that was used for backing up two databases  When the backup user s default database was taken off-line  the  no process on the other end of the pipe  error started

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To force TCP IP being used replace localhost with 127 0 0 1 in your connection string    As you are using a username and password make sure SQL authentication is enabled  By default only Windows integrated is enabled on sqlserver 2008   With SqlServer authentication keep in mind that a password policy is in place to enforce security

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perhaps this comes too late  but still it could be nice to  document it  for others out there   I received the same error after experimenting and testing with Remote Desktop Services on a MS Server 2012 with MS SQL Server 2012   During the Remote Desktop Services install one is asked to create a  local  certificate  and so I did  After finishing the test experiments I removed the Remote Desktop Services  That s when this error appeared  I cannot say whether the error occured during the test with RDS  I don t remember if I used tried the SQL Connection during the RDS test    I am not sure how to solve this since the default certificate does not work for me  but the  RDS  certificate does   BTW  the certificates are found in App   SQL Server Configuration Manager  -   SQL Server Network Configuration  -  Right click   Protocols for   -  Select  Properties  -  Tab  Certificate   My default SQL Certificate is named  ConfigMgr SQL Server Identification Certificate  has expiration date  2114-06-09   Hope this can give a hint to others    Kim

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My resolution was to login using the Windows Login then go to security Logins locate the troubled ID And retype the used password  The restart the services

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Came here looking for a solution to a similar issue  which I just introduced by changing Schannel settings of our IIS server using  IIS Crypto  by Nartac    By disabling the SHA-1 hash  the local SQL Server was not able to be reached anymore  even though I didn t use an encrypted connection  not useful for an ASP Net site accessing a local SQL Express instance using shared memory      Thanks Count Zero for pointing me in the right direction  -   So  lesson learned  do not disable SHA-1 on your IIS server if you have a local SQL Server instance

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I just executed connection close   by adding it as first statement and it was solved  Then i removed the line

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One follow up to this  I had installed SQL Server 2014 with only Windows Authentication  After enabling Mixed Mode  I couldn t log in with a SQL user and got the same error message as the original poster  I verified that named pipes were enabled but still couldn t log in after several restarts  Using 127 0 0 1 instead of the hostname allowed me to log in  but interestingly  required a password reset prompt on first login     Once I reset the password the account worked  What s odd  is I specifically disabled password policy and expiration

[sql-server-2008] SQL Server 2008 Connection Error "No process is on the other end of the pipe"

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