User tries to login through the web client, Remote Desktop Services service terminates unexpectedly

Login through rdp client is possible. If a user tries to login through the web client, the remote desktop services services terminates unexpectedly and all rdp sessions are disconnected. Happens on all vms of the pool.

Log Name: System
Source: Microsoft-Windows-TerminalServices-RemoteConnectionManager
Date: 03.05.2019 14:42:14
Event ID: 1036
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: 
Description:
RD Session Host Server session creation failed. The relevant status code was Only one usage of each socket address (protocol/network address/port) is normally permitted.
.

Log Name: System
Source: Microsoft-Windows-TerminalServices-RemoteConnectionManager
Date: 03.05.2019 14:42:14
Event ID: 1035
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: 
Description:
RD Session Host Server listener stack was down. The relevant status code Only one usage of each socket address (protocol/network address/port) is normally permitted.
.
>qwinsta
SESSIONNAME USERNAME ID STATE TYPE DEVICE
services 0 Disc
console 1 Conn
>rdp-sxs#11 adminservice 2 Active
rdp-sxs190329... christian (08EDF225) 3 Active
rdp-sxs190329... luigi.alt (EAE79C76) 5 Active
31c5ce94259d4... 65536 Listen
65537 Down
rdp-sxs 65538 Listen
rdp-sxs190329002 65539 Listen