“Server Error in ‘/’ Application” and “Cannot generate sspi context” errors

Sometimes I have seen the below error when trying to load a SharePoint site, or a Project Server site;

Server Error in ‘/’ Application.
——————————————————————————–

Runtime Error
Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.

Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a “web.config” configuration file located in the root directory of the current web application. This <customErrors> tag should then have its “mode” attribute set to “Off”.
<!– Web.Config Configuration File –>

<configuration>
    <system.web>
        <customErrors mode=”Off”/>
    </system.web>
</configuration>

Notes: The current error page you are seeing can be replaced by a custom error page by modifying the “defaultRedirect” attribute of the application’s <customErrors> configuration tag to point to a custom error page URL.
<!– Web.Config Configuration File –>

<configuration>
    <system.web>
        <customErrors mode=”RemoteOnly” defaultRedirect=”mycustompage.htm”/>
    </system.web>
</configuration>

 Another message in the application event log on the SharePoint / Project Server can be;

Cannot generate sspi context

When I see this problem, I normally look to check the following;

  1. Is the SQL Server Service Started
  2. If the SQL Server Service is Started, Restart it
  3. If still no success are the Application Pools started on the SharePoint / Project Server

Normally, these checks lead to the problem being solved. Otherwise it is worth looking into the ULS logs etc for more information.

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