500 - The request timed out error in Sitecore. The web server failed to respond within the specified time
   After Login on Sitecore CMS does not redirect to Content Editor and throws   error 500 - The request timed out. The web server failed to respond within the   specified time error.     I have deployed our Application on PROD CM and CD instance on the Azure PAAS   and the instance is working fine. When I try to log in to the CM instance, I   can log in, but instead of redirecting me to the Sitecore Content Editor it's   throwing me an error 500 - The request timed out. The web server failed to   respond within the specified time.     After logging into the CM site, the following error is displayed: 500 - The   request timed out. The web server failed to respond within the specified time  After login into the CM instance:        I have verified the AllowedCorsOrigins and Redirect URL in the identity  server and CM instance in both Sitecore.IdentityServer.Host.xml  and Sitecore.Owin.Authentication.IdentityServer.config  respective files and all are correct.    The same code and depl...