Event ID 1309 ASP.NET Unhandled exception RDWeb

Question

I have deployed Remote desktop connection brokers in high availability and installed remote desktop web access. I am getting Event ID 1309 ASP.NET 4:.0.30319.0 logged every time the web site is accessed. The following details are in the log. How can i fix this issue?

Event code: 3005

Event message: An unhandled exception has occurred.

Event time: 15/05/2024 09:35:33

Event time (UTC): 15/05/2024 08:35:33

Event ID: f690d2e857e440a99b57633b1fd66286

Event sequence: 1237026

Event occurrence: 12377

Event detail code: 0

Application information:

Application domain: /LM/W3SVC/1/ROOT/RDWeb/Pages-3-133588130856681481 

Trust level: Full 

Application Virtual Path: /RDWeb/Pages 

Application Path: C:\WINDOWS\Web\RDWeb\Pages\ 

Machine name: HGB01RDCB1000 
```Process information: 

Process ID: 8544

Process name: w3wp.exe

Account name: IIS APPPOOL\RDWebAccess

Exception type: NullReferenceException

Exception message: Object reference not set to an instance of an object.

   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://the.sitename.com:443/RDWeb/Pages/en-US/Default.aspx

Request path: /RDWeb/Pages/en-US/Default.aspx

User host address: 10.10.48.249

User:

Is authenticated: False

Authentication Type:

Thread account name: IIS APPPOOL\RDWebAccess

Thread ID: 74

Thread account name: IIS APPPOOL\RDWebAccess

Is impersonating: False

Stack trace: at Microsoft.TerminalServices.Publishing.Portal.FormAuthentication.TSFormAuthTicketInfo..ctor(HttpContext objHttpContext)

--- 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: 

Answer 1

 

Hello,

To address the issue, consider installing the .NET patch on your PC. You can download the package from this link:https://dotnet.microsoft.com/en-us/download/dotnet-framework

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If the Answer is helpful, please click "Accept Answer" and upvote it.

Answer 2

Some news? I have exactly the same issue. The patch did not solve anything.

Answer 3

I recycled the RDWeb app pool and users were able to login to RDS sessions. The patch did nothing