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UiPath Studio

The UiPath Studio Guide

About UiPath Remote Runtime

UiPath Remote Runtime is a component which facilitates the communication between a remote application or desktop, such as Citrix Virtual Apps, and the dedicated UiPath extension – the UiPath Extension for Citrix, the UiPath Extension for Windows Remote Desktop and Apps, or the UiPath Extension for VMware Horizon. It gathers info about targeted UI elements of remote applications and sends them to the corresponding extension, so that selectors are natively generated in UIExplorer.

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Note:

Starting with Citrix Virtual Apps and Desktops 7 2109, all custom virtual channels are blocked by default.
This prevents the UiPath Remote Runtime from working correctly.
To solve this issue the UiPath virtual channel must be added to the allow list policy:
UIPCTX,C:\Program Files (x86)\UiPath\RemoteRuntime\UiPathRemoteRuntime.exe

The Remote Runtime component was granted a Citrix Ready certification, making it a trusted, effective solution for working with Citrix technologies.

Depending on the type of environment you want to build your automation projects on, the UiPath Remote Runtime component can be installed as follows:

The corresponding UiPath extensions must be installed on the client machine.

You can obtain the UiPathRemoteRuntime.msi installer by contacting our Support Team.

Once the UiPath Remote Runtime component is installed, it registers a task in the Task Scheduler so that the UiPathRemoteRuntime.exe process is started at every user login.

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The UiPath Remote Runtime component is required to establish the connection between an application or desktop server and a corresponding UiPath extension installed on a client machine. This way, selectors are natively generated on the client machine where Studio is installed, without having to rely on OCR and image recognition activities.

Task Scheduler

By default, the UiPath Remote Runtime component creates an entry in Windows Task Scheduler to automatically start every time the corresponding user logs in. This feature is represented by the Create Launch UiPathRemoteRuntime task option in the UiPathRemoteRuntime.msi installer, which you can choose to disable, if necessary.

The Remote Runtime Task Scheduler entry can be added or removed via the installer or the Command Prompt, as you can see in the following sections.

Installing the UiPath Remote Runtime

From the Installer

  1. Run the UiPathRemoteRuntime.msi file to install the UiPath Remote Runtime. It needs to be installed on all the Citrix Application servers, VMware Horizon servers, or the Windows Remote Desktop machines on which you want to create your automation projects.
  2. Log off from the current Citrix window, VMware Horizon window, or RDP session on the client machine and log back in. This is required so that your changes take effect.
  3. Install either the UiPath Extension for Citrix, UiPath Extension for VMware Horizon, or the UiPath Extension for Windows Remote Desktop and Apps on the client machine, depending on the technology on which you want to create your automation projects.

You can also choose to deploy the extension for Java, Chrome, Microsoft Edge, and Citrix from the installer, as well as the Task Scheduler entry, by selecting the corresponding options, as depicted below:

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The Task Scheduler entry for the Remote Runtime can be added or removed at any moment. Simply run the UiPathRemoteRuntime.msi installer and choose the corresponding option.

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From the Command Prompt

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Note:

Installing the UiPathRemoteRuntime.msi requires administrator rights.

  1. Click the Windows Start button and type cmd in the search field.
  2. Right click on Command Prompt and run it as administrator.
  3. Change the directory to the UiPathRemoteRuntime.msi folder (for example: cd C:\Tools\Studio).
  4. Use the UiPathRemoteRuntime.msi ADDLOCAL=RemoteRuntime,RemoteRuntimeTask command to install the UiPath Remote Runtime component.
  5. Log off from the current Citrix window, VMware Horizon window, or RDP session on the client machine and log back in. This is required so that your changes take effect.
  6. Install either the UiPath Extension for Citrix, UiPath Extension for VMware Horizon, or the UiPath Extension for Windows Remote Desktop and Apps on the client machine, depending on the technology on which you want to create your automation projects.

Additionally, you can use the RemoteRuntimeTask, JavaBridge, ChromeExtension, EdgeChromium, or CitrixClient arguments to install the extension for Task Scheduler entry, Java, Chrome, Microsoft Edge, or Citrix extensions as exemplified below:

  • UiPathRemoteRuntime.msi ADDLOCAL=RemoteRuntime,RemoteRuntimeTask,JavaBridge,ChromeExtension,EdgeChromium,CitrixClient - installs the Remote Runtime component, the Task Scheduler entry, the extension for Java, the extension for Chrome, the extension for Microsoft Edge, and the extension for Citrix.

You can also perform a silent installation by using the /quiet parameter:

  • UiPathRemoteRuntime.msi ADDLOCAL=RemoteRuntime,RemoteRuntimeTask /quiet - silently installs the Remote Runtime component and the Task Scheduler entry.

You can install the UiPath Remote Runtime at any location using the APPLICATIONFOLDER option:

  • UiPathRemoteRuntime.msi APPLICATIONFOLDER="D:\UiPathRemoteRuntime" ADDLOCAL=RemoteRuntime,RemoteRuntimeTask /quiet – silently installs the Remote Runtime component in D:\UiPathRemoteRuntime, and adds the Task Scheduler entry.

You can now create processes to automate on Citrix Virtual Apps and Desktops, VMware Apps, as well as over RDP connections just as you would on a standard machine. Because of the corresponding extensions, OCR and Image recognition activities are no longer required to properly identify UI elements. Instead, elements are natively recognized and can be used with any activity.

UIAutomation Dependency

The UiPath Remote Runtime has a dependency on the version of the UiPath.UIAutomation.Activities package, not on the version of UiPath Studio/Robot.

The Remote Runtime installed on a remote machine must have the version of the latest UIAutomation package you want to use in your projects, and it is compatible with the previous UIAutomation releases (it is backwards compatible).

The UiPath.UIAutomation.Activities package and the UiPath Remote Runtime have the same UiPath driver dependency. For each UIAutomation package released version, a download link for the UiPath Remote Runtime component with the same version number is provided.

You can download the UiPathRemoteRuntime.msi installer from:

Side-by-Side Support

The UiPath Remote Runtime component is installed on the Citrix Application server, VMware server, or Remote Desktop machine in the %ProgramFiles(x86)\UiPath folder. All installed versions are visible in the %ProgramFiles(x86)%\UiPath\RemoteRuntime\packages\uipath folder.

When you build or execute a process, you need to use a UiPath.UIAutomation.Activities package which is compatible with the deployed driver version of the UiPath Remote Runtime.

The version of the UiPath driver dependency for the UiPath.UIAutomation.Activities package is displayed in Studio, in the Package Manager info section.

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The same UiPath version must be present on the remote machine, in the %ProgramFiles(x86)%\UiPath\RemoteRuntime\packages\uipath folder.

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Each UiPathRemoteRuntime.msi installer contains the latest UiPath dependency, as well as the latest supported Long Term Support (LTS) UiPath dependencies.

The table below enlists the dependencies between the UiPath.UIAutomation.Activities package and UiPath Remote Runtime:

UIAutomation package versionUiPathRemoteRuntime build numberUiPath driver dependencyUIAutomation compatible versions for UiPathRemoteRuntime
22.10.322.10.46.4763522.10.46.4763522.10.3
22.4.7
21.10.7
20.10.12
19.11.5
18.4.8
22.4.722.4.42.6195122.4.42.6195122.4.7
21.10.7
20.10.12
19.11.5
18.4.8
21.10.721.10.42.6490521.10.42.6490521.10.7
20.10.12
19.11.5
18.4.8
20.10.1220.10.8242.2323820.10.8242.2323820.10.12
19.11.5
18.4.8
19.11.519.10.7601.1536919.10.7601.1536919.11.5
18.4.8
18.4.810.0.7772.1918410.0.7772.1918419.11.5
18.4.8

You can verify the Remote Runtime build number from the UiPathRemoteRuntime.msi file Properties, in the Details tab, in the Comments field.

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If you use a version of the UiPath.UIAutomation.Activities package that has a UiPath dependency which is not part of the set of installed UiPath dependencies on the remote machine, selectors are not generated and the following exception is thrown: The UiPath.UIAutomation.Activities package is incompatible with the UiPath Remote Runtime running on the server.

Adding Remote Runtime Dependencies

Interactive selection on the target application does not build correct selectors unless the UiPath.UIAutomation.Activities matches the UiPath Remote Runtime dependency on the Citrix Application server, VMware server, or the Remote Desktop machine.

For example, if you want to build an automation project using the UiPath.UIAutomation.Activities package version 21.10.7, you also need to copy the corresponding UiPath dependency from the client machine (where Studio is installed) on the Citrix Application server, VMware server, or the Remote Desktop machine.
This is done as follows:

  1. On the client machine (where Studio is installed), navigate to the %UserProfile%\.nuget\packages\uipath folder. All installed UiPath dependencies are located here.
  2. Copy the version which corresponds to the UiPath.UIAutomation.Activities package you want to use. You can view the list of dependencies shipped with the UiPath.UIAutomation.Activities package on the About UIAutomation Activities page or by checking the package dependencies in Studio > Manage Packages.
  3. On the Citrix Application server, VMware server, or the Remote Desktop machine, navigate to the %ProgramFiles(x86)%\UiPath\RemoteRuntime\packages\uipath folder and paste the previously copied UiPath dependency version here.

Selectors are now properly generated with your current version of the UiPath.UIAutomation.Activities. Changes take effect as soon as the dependency is copied.

The Remote Runtime Dependencies described above are required both for the design time and execution time.

Remote Runtime Architecture

When you start a process, the Robot sends out the necessary commands to the extension for Citrix or Windows Remote Desktop via an RPC channel. This information package also contains details about the version of the UIAutomation package used to build the process.

The corresponding extension then forwards the information package via an ICA virtual channel to the UiPath Remote Runtime component, which is on the Citrix Application servers or Remote Desktop machine.

Depending on the version of the UIAutomation package with which the process was built, the UiPath Remote Runtime component instructs the Robot Executor which driver to use.

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Multiple ICA Channels

Communication between the Remote Runtime Component and the corresponding extension is done via an internally-developed ICA channel. Multiple ICA channels can be used, but the Citrix Receiver, for instance, already uses several channels for the clipboard, audio, and more.

Data Transfer and Bandwidth Considerations

Once the Remote Runtime component is installed, you can create your automation projects without having to create any firewall rules.

Data transfer between the Remote Runtime and extension requires little bandwidth usage. For example, each action the Robot performs (such as a Click activity) transfers around 3 KB of data.

Hardware and Software Requirements

The UiPath Remote Runtime has the same requirements as the UiPath Robot. See the full list of requirements here.

Updated 14 days ago

About UiPath Remote Runtime


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