Sudenly i get this error:

I tried those solution and non of them works

  1. Site Collection '500 INTERNAL SERVER ERROR' so i follrw the step here : enter link description here

  2. clear the cache of sharepoint

  3. in event viewer i got this error detail :


Update: here is the log files :

Any idea please ?


2 Answers 2


There are many reasons for 500 error. Basically this error indicates that issue is on the server. i would do the following to troubleshoot the issue.

  • Thank you Waqas, i tried all with no points , i even create a new webapplication and i got the same error. I could not found a reason for that !!
    – Imen Turki
    Commented May 9, 2017 at 16:51
  • did you enable the http trace any error reported over there? any error in event log(share the complete error)? are you accessing sites from server or client machine? is the root level site collections in place?
    – Waqas Sarwar MVP
    Commented May 9, 2017 at 17:16
  • here is the log files : drive.google.com/drive/folders/…
    – Imen Turki
    Commented May 10, 2017 at 11:20
  • couple of things to check...is DC is up and running, Security Token service is working and UPA is also configured properly
    – Waqas Sarwar MVP
    Commented May 10, 2017 at 12:57
  • Thanl you for your answer , would you please explained more , i didn't get it
    – Imen Turki
    Commented May 10, 2017 at 13:00

Open event viewer and there go to Windows logs -> Application and check that you don't have any password expiration message or any service login failure related issues.If any issues related to login failure then you have to update the password of that account everywhere it is been used.in Application pool as well as in services

and if this not work try the following links it may help you: https://social.technet.microsoft.com/Forums/ie/en-US/79103340-6381-4f99-a49e-2abc0c45f4a1/internal-server-error-500-security-token-service-problem?forum=sharepointadmin 500 Internal Server Error Site Collection

Let me know if you face any issues.


Follow this link it has same issue which you are facing: https://social.technet.microsoft.com/Forums/en-US/4712c8fd-10f0-4c51-86cb-a7272f8cca3f/claims-authentication-error-event-id-8305?forum=sharepointadmin

  • 8305:'contractType:Microsoft.IdentityModel.Protocols.WSTrust.WSTrustServiceContract;name:SecurityTokenService'
    – Imen Turki
    Commented May 9, 2017 at 12:36

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