Zephyr's SharePoint Blog

My Sharepoint world experience notes on day to day basis…..

An error occurred accessing a data source. An entry has been added to the Windows event log of the server. Log ID:5566

Posted by fillzephyr on May 3, 2009


I tried to open the InfoPath form from the form library as web-browsable form and I fall on to this error:

An error occurred accessing a data source. An entry has been added to the Windows event log of the server.

Log ID: 5566

The cause of this error is the installation of .net 3.5 SP1. So to resolve this error you have to add key to the registry on all of the servers I have 2 WFE and 1 Application server. I had change the registry key on the entire server and restart the servers. The first server I restart is of course WFE on which my CA resides and the other WFE and then Application server. I think it’s always best to change first in Server on which CA resides.

I had followed these steps on all my servers and it works for me:

  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
  3. Right-click Lsa, point to New, and then click DWORD Value.
  4. Type DisableLoopbackCheck, and then press ENTER.
  5. Right-click DisableLoopbackCheck, and then click Modify.
  6. In the Value data box, type 1, and then click OK.
  7. Exit Registry Editor.
  8. Restart the computer.

Reference: http://support.microsoft.com/kb/926642

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6 Responses to “An error occurred accessing a data source. An entry has been added to the Windows event log of the server. Log ID:5566”

  1. […] An error occurred accessing a data source. An entry has … – May 03, 2009 · « The server is currently being taken down for maintenance. Check with your system administrator to see when this server is scheduled to come back online…. […]

  2. Johne56 said

    What is the website that means it is easy to understand podcasts and blog sites? I don’t get an iPod, does that make any difference? . kdcaegfbgede

  3. Antonio Augusto said

    For me this solution not help-me.

    I’m using:
    Windows Server 2008 SP2 32Bit

    thanks 4 all

  4. Hammad Naqvi said

    But this solution is not useful for me…please help me. i am fetching users from Active Directory and facing this problem..Please help me if you have any idea regarding this problem in my senirio

  5. fillzephyr said

    I am glad it help you out.

  6. Colin said

    Thank you! Thank you! Thank you!

    I was worried that this would be an impossible error to track down, but this led me straight to the solution in no time.

    Cheers!

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