When user access the RDWeb exposed on port 443 directly from the application server with Remote Desktop Service roles and hits these addresses:
https://gw.contoso.com:443/RDWeb/
https://gw.contoso.com:443/RDWeb/Pages/en-US/Default.aspx
The server will log NullReferenceException in Event viewer.
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 7. 8. 2019 11:40:40
Event time (UTC): 7. 8. 2019 9:40:40
Event ID: 00c125e50abe4c26a3502bc2fc2289bd
Event sequence: 63
Event occurrence: 5
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/1/ROOT/RDWeb/Pages-3-132096433038469260
Trust level: Full
Application Virtual Path: /RDWeb/Pages
Application Path: C:\Windows\Web\RDWeb\Pages\
Machine name: APP1
Process information:
Process ID: 7756
Process name: w3wp.exe
Account name: IIS APPPOOL\RDWebAccess
Exception information:
Exception type: NullReferenceException
Exception message: Object reference not set to an instance of an object.
at Microsoft.TerminalServices.Publishing.Portal.FormAuthentication.TSFormAuthTicketInfo..ctor(HttpContext objHttpContext)
at ASP.en_us_default_aspx.<GetAppsAsync>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.UI.PageAsyncTaskManager.<ExecuteTasksAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.UI.Page.<ProcessRequestAsync>d__554.MoveNext()
Request information:
Request URL: https://gw.contoso.com:443/RDWeb/Pages/en-US/Default.aspx
Request path: /RDWeb/Pages/en-US/Default.aspx
User host address: 85.243.21.13
User:
Is authenticated: False
Authentication Type:
Thread account name: IIS APPPOOL\RDWebAccess
Thread information:
Thread ID: 155
Thread account name: IIS APPPOOL\RDWebAccess
Is impersonating: False
Stack trace: at Microsoft.TerminalServices.Publishing.Portal.FormAuthentication.TSFormAuthTicketInfo..ctor(HttpContext objHttpContext)
at ASP.en_us_default_aspx.<GetAppsAsync>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.UI.PageAsyncTaskManager.<ExecuteTasksAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.UI.Page.<ProcessRequestAsync>d__554.MoveNext()
Custom event details:
