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az network bastion rdp leads to msrestazure.azure_exceptions.CloudError: Unexpected internal error

See original GitHub issue

Bug when calling az network bastion rdp --name bastion --resource-group rg-test --subscription xxx --target-resource-id testmachineresourceId --verbose i receive

Creating a socket on port: 0 Setting socket options Binding to socket on local address and port Auto-selecting port: 60545 Finished initialization Exception in thread Thread-1: Traceback (most recent call last): File “threading.py”, line 932, in _bootstrap_inner File “threading.py”, line 870, in run File “D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/command_modules/network/custom.py”, line 8089, in _start_tunnel File “D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/command_modules/network/tunnel.py”, line 182, in start_server File “D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/command_modules/network/tunnel.py”, line 117, in _listen File “D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/command_modules/network/tunnel.py”, line 104, in _get_auth_token msrestazure.azure_exceptions.CloudError: Unexpected internal error Command ran in 9.468 seconds (init: 0.262, invoke: 9.205)

To Reproduce just calling the command

Expected behavior native rdp client opens and i can connect through rdp

Environment summary azure-cli 2.32.0 core 2.32.0 telemetry 1.0.6

Extensions: ssh 1.0.0

Dependencies: msal 1.16.0 azure-mgmt-resource 20.0.0

Python location ‘C:\Program Files (x86)\Microsoft SDKs\Azure\CLI2\python.exe’ Extensions directory ‘C:\Users\sykorlub.azure\cliextensions’

Python (Windows) 3.8.9 (tags/v3.8.9:a743f81, Apr 6 2021, 13:22:56) [MSC v.1928 32 bit (Intel)]

Additional context bastion is set to support native clients following https://docs.microsoft.com/en-us/azure/bastion/connect-native-client-windows. bastion is hosted in vnet which is peered with second vnet having my test machine. for test purposes all peering connectivity is allowed. for test purposes all incoming traffic is allowed on nsg for test machine. Connecting to test machine through bastion from portal UI works.