Hot!HTML5 RDP Windows 10/Server 2016 Connection Terminated

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scerazy
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2017/06/01 13:03:22 (permalink)
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HTML5 RDP Windows 10/Server 2016 Connection Terminated

I can fill credentials (username/password), but all I get is error that connection is terminated
 
Anybody any ideas?
 
Connection to Server 2012 R2/W7/W8.x works fine from web VPN
#1

9 Replies Related Threads

    MattM
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2017/06/07 12:25:12 (permalink)
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    I had this issue when the Network Level Authentication settings didn't match between the server and the HTML5 RDP connection.  On Windows I set RDP security to "Allow connections from computers running any version of Remote Desktop (less secure)" and set the HTML5 RDP shortcut to use Standard RDP Encryption.
    That allowed me to connect.
     
    #2
    scerazy
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2017/06/08 00:46:18 (permalink)
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    Network Level Authentication for Remote Desktop Services Connections is already turned OFF!
    That is the first thing I did check!
     
    The settings (wording used) you mentioned is for Windows Vista/7/2008
     
    For Windows 8/8.1/2012/10/2016 it is (untick):
     
    Allow remote connections only from computers running Remote Desktop with Network Level Authentication (recommended)
     
    as per: http://www.lazywinadmin.com/2014/04/powershell-getset-network-level.html
     
    While it works fine connecting to Server 2012 R2, it does NOT connect to Windows 10/Server 2016
     
    Seb
     
     
    #3
    abeggled
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2017/06/09 04:12:57 (permalink)
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    Connection to Windows 10/Server 2016 works for me with the following configuration:
     
    Windows:
    • NLA activated
    Bookmark:
    • Host: xxx.xxx.xxx.xxx (only IP-Adress works for me)
    • Username: leave empty
    • Password: leave empty
    • Security: Allow the server to choose the type of security
     
    Drawback: You loose SSO
     
    #4
    scerazy
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2017/06/10 00:07:15 (permalink)
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    Allow the server to choose the type of security was the culprit, thanks
     
    But it does NOT work from Bookmark, it DOES work only from Quickconnect
     
    If IP only works for you then you have issue with dns/default domain on FTG
     
    For me FQDN resolves & works fine
     
    Seb
     
    post edited by scerazy - 2017/06/10 23:54:00
    #5
    scerazy
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2018/03/02 02:55:01 (permalink)
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    Works fine with Server 2016 as well
    post edited by scerazy - 2018/03/02 03:07:16
    #6
    bhwong
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2018/06/20 02:59:02 (permalink)
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    Under Security for RDP, you have to select Network Level Authentication and enter your username to be saved. I didn't tick the recommended NLA in Windows Server 2016 as well, but it will only connect when security is set to NLA.

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    #7
    Cohmert
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2018/10/04 05:17:58 (permalink)
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    Hello, i have the same issue.
    I could solve it but i am not satisfied.
    The problem with connecting only affects win10 clients. I have serveral clients where the connection settings are set to:
    • Type:rdp
    • Host: hostename or IP - both works
    • Port: 3389
    • Username: mydomain\
    • Passwort: empty
    • Keyboardlayout: German
    • Security: Standard RDP encription
    But somehow, on a few clients it just wont work. When the user tries to connect, the user will get displayed "connection closed" immediately.
     
    I tried to set it to NLA with the same result. All win10 clients have the NLA box unchecked in the remote connection settings.
     
    Then i found out, that when i use the QuickConnection button and set it all to RDP with NLA and leave the credentials empty, i could connect to the client. The NLA box ist still unchecked and should work without it
    (As long the user is allowed and member in the Remotedesktop user group on the client)
     
    • The i changed the Portal settings to NLA and left the user/password section empty. No success
    • The i changed the Portal settings to NLA and filled in the name of one of the allowed users without the mydomain\ part. Only the username. Password still empty. Works
    The NLA boxes are unchecked on all clients. All clients on same Patchlevel and winver.
     
    Does anybody has a sugesstion why it is different on the clients and why some need the NLA, even if it is deactivated on the client.
     
     
     
     
    #8
    thomasevig
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2019/01/23 00:23:17 (permalink)
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    Cohmert
    Hello, i have the same issue.
    I could solve it but i am not satisfied.
    The problem with connecting only affects win10 clients. I have serveral clients where the connection settings are set to:
    • Type:rdp
    • Host: hostename or IP - both works
    • Port: 3389
    • Username: mydomain\
    • Passwort: empty
    • Keyboardlayout: German
    • Security: Standard RDP encription
    But somehow, on a few clients it just wont work. When the user tries to connect, the user will get displayed "connection closed" immediately.
     
    I tried to set it to NLA with the same result. All win10 clients have the NLA box unchecked in the remote connection settings.
     
    Then i found out, that when i use the QuickConnection button and set it all to RDP with NLA and leave the credentials empty, i could connect to the client. The NLA box ist still unchecked and should work without it
    (As long the user is allowed and member in the Remotedesktop user group on the client)
     
    • The i changed the Portal settings to NLA and left the user/password section empty. No success
    • The i changed the Portal settings to NLA and filled in the name of one of the allowed users without the mydomain\ part. Only the username. Password still empty. Works
    The NLA boxes are unchecked on all clients. All clients on same Patchlevel and winver.
     
    Does anybody has a sugesstion why it is different on the clients and why some need the NLA, even if it is deactivated on the client.
     
     
     
     




    thank you so much!!!
    i've been searching for this for so long , my client couldn't work with
    ForticLient , therefore had to solve this somehow!!
     
     
    I'm very thankful
    #9
    gguilmette
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    Re: HTML5 RDP Windows 10/Server 2016 Connection Terminated 2019/02/13 08:11:57 (permalink)
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    I have found that setting the bookmark security option to "Let Remote Server Decide" helps in this situation. I've not dug around in the configurations enough to know if the other secure options possibly require a domain certificate or other handshaking requirements. 
    #10
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