500 INTERNAL SERVER ERROR on my new sharepoint 2019 communication site

Tevon 35 Reputation points
2023-04-28T13:47:21.17+00:00

I recently started noticing the 500 Internal Server Issue when going back from pages on my SharePoint site. What cause this issue and what's the best method of resolving this? Any screenshots are welcomed. Thanks!

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  1. Emily Du-MSFT 41,786 Reputation points Microsoft Vendor
    2023-05-01T06:42:35.5166667+00:00

    As I know, 500 Internal Server Error may be caused by:

    • Web config file have been modified in an incorrect format.
    • The SharePoint Application Pool stopped.
    • The Security Token Service Application Pool stopped.

    You could follow below tips to troubleshoot the issue.

    Have you changed the farm account password?

    1.Open IIS Manager -> Browse the SharePoint web application which you are facing the 500 Internal Server Error -> Get a detailed error message If there is any error in the SharePoint Web Config file.

    Browse the SharePoint site from IIS

    500 - Internal server error in SharePoint

    2.Open IIS Manager -> Application Pools -> Find the web application pool status is stopped, then start it.

    If application pool is started, then stopped again, select the web application pool -> Advanced Settings -> Identity -> Use the farm account with correct password.

    3.Open IIS Manager -> Application Pools -> Check whether Security Token Service Application Pool is started.

    4.Make sure that firewall is off.

    5.Make sure that SharePoint Timer service is running.

    6.Do IIS reset.

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