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RDP Sessions disconnects after changing MX appliances.

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RDP Sessions disconnects after changing MX appliances.

Hello!

 

I am experiencing RDP sessions issues after we replace a mx65w appliance for a MX84. I kept all the configurations (Create a new network and copy all configurations from an existing network).

After a week of monitoring, using Remote Desktop and file sharing (from one site to another one) users reported some issues and disconnections. In some cases the RDP session comes up again after a couple attempts but others don't.

 

Furthermore I can see several packet loss in the uplink in our main site (were we change the appliance) when using the other site's MX appliance public IP address as destination. 

Captura de Pantalla 2020-01-27 a la(s) 13.56.28.png

 

I reached support and we've added a traffic shaping rule and disable some wan uplink decision options but I still see packet loss and users are still reporting issues.

 

Anyone have any suggestions? 

6 REPLIES 6
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Re: RDP Sessions disconnects after changing MX appliances.

@VictorAngeles  Are both devices the old and new running the same firmware versions? I am wondering if there is a difference in versions thats causing the problem 

Meraki CMNO, Ruckus WISE, Sonicwall CSSA, Allied Telesis CASE & CAI
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Re: RDP Sessions disconnects after changing MX appliances.

Hi!

 

Both appliances are in the 14.40 firmware version.

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Re: RDP Sessions disconnects after changing MX appliances.


@BlakeRichardson wrote:

@VictorAngeles  Are both devices the old and new running the same firmware versions? I am wondering if there is a difference in versions thats causing the problem 


It's worth remembering that even if different devices are running "the same firmware version", it often doesn't seem to quite be the same. Witness the way 84s will experience packet loss after making "certain configuration changes".

 

Of course, I really doubt Victor's making "certain configuration changes" on this box every few seconds! This is just an example that "same firmware" isn't quite.

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Re: RDP Sessions disconnects after changing MX appliances.

Check the Security event log.  Make sure IPS is not firing.

 

Or try turning IPS/AMP off for 24 hours and see if the problem changes.

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Re: RDP Sessions disconnects after changing MX appliances.

Hi!

No, there are no Security IPS events.
I might consider turning AMP & IPS off, but the previous appliance had those features on and we didn´t have any issues.
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Re: RDP Sessions disconnects after changing MX appliances.

I'd turn them off just long enough to establish if it is related to the issue or not.  If you turn them off and it keeps happening you know it has nothing to do with it.

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