Myrtille does not connect to a remote session

My RDS environment with Myrtille was working properly, but after I rebooted to apply the Windows Server Update (KB4088787 - Security Patch) Myrtille stopped working.

I checked the Myrtille.Services.log file and it apparently does not show any errors:

2018-03-14 07:45:06,414 [4] INFO  System.Diagnostics redirection [(null)] - Service: Myrtille.Services.RemoteSessionProcess
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Endpoint: WSDualHttpBinding_IRemoteSessionProcess
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Address: http://localhost:8080/Myrtille/RemoteSessionProcess
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Binding: WSDualHttpBinding
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Contract: Myrtille.Services.Contracts.IRemoteSessionProcess
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - 
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Service: Myrtille.Services.FileStorage
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Endpoint: BasicHttpBinding_IFileStorage
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Address: http://localhost:8080/Myrtille/FileStorage
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Binding: BasicHttpBinding
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - Contract: Myrtille.Services.Contracts.IFileStorage
2018-03-14 07:45:06,445 [4] INFO  System.Diagnostics redirection [(null)] - 
2018-03-14 07:45:34,862 [5] INFO  System.Diagnostics redirection [(null)] - Started remote session 1
2018-03-14 07:45:50,676 [5] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 1
2018-03-14 07:47:13,738 [4] INFO  System.Diagnostics redirection [(null)] - Service: Myrtille.Services.RemoteSessionProcess
2018-03-14 07:47:13,769 [4] INFO  System.Diagnostics redirection [(null)] - Endpoint: WSDualHttpBinding_IRemoteSessionProcess
2018-03-14 07:47:13,769 [4] INFO  System.Diagnostics redirection [(null)] - Address: http://localhost:8080/Myrtille/RemoteSessionProcess
2018-03-14 07:47:13,769 [4] INFO  System.Diagnostics redirection [(null)] - Binding: WSDualHttpBinding
2018-03-14 07:47:13,769 [4] INFO  System.Diagnostics redirection [(null)] - Contract: Myrtille.Services.Contracts.IRemoteSessionProcess
2018-03-14 07:47:13,769 [4] INFO  System.Diagnostics redirection [(null)] - 
2018-03-14 07:47:13,785 [4] INFO  System.Diagnostics redirection [(null)] - Service: Myrtille.Services.FileStorage
2018-03-14 07:47:13,785 [4] INFO  System.Diagnostics redirection [(null)] - Endpoint: BasicHttpBinding_IFileStorage
2018-03-14 07:47:13,785 [4] INFO  System.Diagnostics redirection [(null)] - Address: http://localhost:8080/Myrtille/FileStorage
2018-03-14 07:47:13,785 [4] INFO  System.Diagnostics redirection [(null)] - Binding: BasicHttpBinding
2018-03-14 07:47:13,785 [4] INFO  System.Diagnostics redirection [(null)] - Contract: Myrtille.Services.Contracts.IFileStorage
2018-03-14 07:47:13,785 [4] INFO  System.Diagnostics redirection [(null)] - 
2018-03-14 07:49:12,712 [8] INFO  System.Diagnostics redirection [(null)] - Started remote session 2
2018-03-14 07:49:28,663 [11] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 2
2018-03-14 07:51:13,182 [12] INFO  System.Diagnostics redirection [(null)] - Started remote session 3
2018-03-14 07:51:13,741 [6] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 3
2018-03-14 07:51:39,804 [11] INFO  System.Diagnostics redirection [(null)] - Started remote session 4
2018-03-14 07:51:40,330 [11] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 4
2018-03-14 07:52:27,948 [15] INFO  System.Diagnostics redirection [(null)] - Started remote session 5
2018-03-14 07:52:28,484 [6] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 5
2018-03-14 07:54:42,846 [16] INFO  System.Diagnostics redirection [(null)] - Started remote session 6
2018-03-14 07:54:58,293 [17] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 6
2018-03-14 07:56:19,509 [19] INFO  System.Diagnostics redirection [(null)] - Started remote session 7
2018-03-14 07:56:20,478 [20] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 7
2018-03-14 07:57:15,361 [22] INFO  System.Diagnostics redirection [(null)] - Started remote session 8
2018-03-14 07:57:16,321 [22] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 8
2018-03-14 07:59:56,680 [23] INFO  System.Diagnostics redirection [(null)] - Started remote session 9
2018-03-14 07:59:57,615 [24] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 9
2018-03-14 08:00:11,049 [20] INFO  System.Diagnostics redirection [(null)] - Started remote session 10
2018-03-14 08:00:11,191 [20] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 10
2018-03-14 08:01:27,406 [22] INFO  System.Diagnostics redirection [(null)] - Started remote session 11
2018-03-14 08:01:27,978 [21] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 11
2018-03-14 08:01:53,611 [24] INFO  System.Diagnostics redirection [(null)] - Started remote session 12
2018-03-14 08:01:54,132 [19] INFO  System.Diagnostics redirection [(null)] - Stopped remote session 12

The Myrtille.Web.log file is already displaying the following error:

2018-03-14 08:01:52,770 [61] ERROR System.Diagnostics redirection [(null)] - Failed to create remote session (System.FormatException: Input string was not in a correct format.
   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at Myrtille.Web.Default.ConnectButtonClick(Object sender, EventArgs e))

I am informing the credentials correctly, but I can no longer access through Myrtille, but using RDWeb and downloading the RDP file is working properly. Not whether the Windows update has generated the problem or not.

Another point that I checked, is that from time to time is happening the following error in the windows event log, but I do not know if there is a relation:

Anyone have any idea what’s going on?

[cedrozor]

I’ll release a new build this week and this will be fixed

[manjeet24feb]

Hi. I have Myrtille version 2.3.1 (stable), Windows 32 and 64 bits installed on Windows Server 2012 R2 datacenter(32gb ram, 8 core cpu). When i try to access the same machine on which Myrtille is installed through browser from remote machine it randomly gets connected. Most of the time it does not get connected. Very rarely it gets connected otherwise it just shows blank screen. In browser console the websocket request shows “pending” as status for request “Myrtille/SocketHandler.ashx?type=binary”.

However if i open myrtille in a browser in the same server(on which myrtille is installed. Quite stupid) and login as different user i am able acess and work. In browser console the websocket request shows “101” as status for request “Myrtille/SocketHandler.ashx?type=binary”. But the issue occurs only if try to login through some remote machine. And it is random. Sometimes only it connects. Checked logs in myrtille.web.log. Found following errors. “System.Diagnostics redirection [(null)] - Failed to retrieve the active remote session (System.NullReferanceException: Object reference not set to an instance of an object at Myrtille.Web.PushUpdates.Page_Load(Object sender, EventArgs e))”

Restarting Myrtille Service does not help. Restarting the server does not help except the first time. Later the issue persists. Opening in Incognito, clearing browser cache etc. does not work.