Remote Desktop Sessions are disconnecting and reconnecting after about 1 minute

Question

First noticed this with one user and now seeing it myself. We have a dozen servers on Azure on a VPN. When connecting to one of our Remote Desktop servers that multiple users log into, one user was getting disconnected and then reconnected every minute. It will disconnect with the popup to retry, then reconnect after about 15 seconds. No one else had reported it so I assumed it was just the one laptop. We determined it wasn't her network.

I had tested it 2 days ago from my PC and didn't notice it. I rarely use that RDS server but use a number of other ones. Today, I dialed into another server and noticed it doing it to me. It is specific to the servers that it occurs on. I was dialed into another at the same time and the connection never drops. Connected to the RDS server the employee uses, and got the same results.

Answer 1

Hello,

It is usually a network issue, but you have confirmed it is not (network log) .

So, I assumed that something was wrong with TLS, you could enable / disable NLA in your terminal side (switch the encryption mode).

Open gpedit.msc applet.

Navigate to Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Security.

Enable Require use of specific security layer for remote (RDP) connections and select RDP as Security Layer.

Disable Require user authentication for remote connections by using Network Level Authentication policy.

Reboot Terminal server.

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Answer 2

Will give those suggestions a try.

It does not do it on all of our VMs in Azure. I see it with 3 accounts so I don't think it is specific to an account. It's possible it's a segment of the network, don't really know enough about how our VPN is setup. So far it's 2 RDS servers and another server that I see it on.