Method 'ConnectToServerOld' not found in interface 'UiPath.Service.Api.IClientOperations'

Hello folks,
Unable to connect robot with orchestrator also try same thing after restarting the machine
RemoteException wrapping System.Exception: Method ‘ConnectToServerOld’ not found in interface ‘UiPath.Service.Api.IClientOperations’.



Welcome to our uipath community.

You provided wrong Orchestrator URL. It should be like below. Please check below thread to know more about this.[AccountName]/[ServiceName]

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I tried the same but getting the same error

orch url:UiPath Orchestrator


Are you connecting Enterprise Edition of Uipath studio with cloud Orchestrator ?

No community edition


Do you still the issue ?

yes im facing the issue


I was working on a tutorial for my collegues at work, so that they can easly connect to Orchestrator ! Check below file :point_down:

Up and running with UiPath.pdf (2.1 MB)

Let me know if you succed… :slight_smile:

still facing same issue


Unistall all UiPath related softwares… And follow my tutorial, it should work for you…

After upgrading the uipath ,connection is done

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