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Nintex RPA v16.5.1 / RPA Central v1.3.3 - Release Notes



Version 16.5.1/ 1.3.3

Nintex Product Releases Download Page


Nintex RPA Central feature

  • Added support for Bot Edition license.


Nintex RPA feature

Improved REST and SOAP actions:

  • Support for adding custom headers.
  • “Content Type” and “Accept” options in the UI have been replaced with header configurations.
  • UI has improved visual flow.


Nintex RPA fixes and improvements

  • Fixes an issue when saving a botflow with an invalid botflow name.
  • Fixes an issue when opening Microsoft Access data files.
  • Various improvements for Nintex RPA running on 64-bit machines.
  • Improved responsiveness while using the target selector tool.
  • Improved responsiveness while targeting Google Chrome.
  • Nintex RPA Unlocker has been improved to work better on Windows 10 machines. 
  • Nintex RPA Bots will now show action error messages in the Info Bar.
  • Fixes an issue where using the RPAENGINE.SETVAR() function in a C#, VB.NET, or JScript.NET action would not set the variables consistently.
  • Fixes an issue where targeting Google Chrome would cause Google Chrome to close.
  • Fixes an issue where using a Send Value action would send the value to the address bar in Google Chrome (using Nintex RPA Chrome Extension v1.0.0.6).
  • Enhances the Workflow Connection to specify the region hosting the Nintex Workflow Cloud tenancy. The specified region can be North America or Europe.





The following MSI packages are provided for your convenience:

  • Nintex RPA/Nintex RPA Central
    • Prerequisites
      • Microsoft .NET Framework 4.7.2
      • Microsoft Access Database Engine 2016 Redistributable (32-bit regardless of operating system bitness) - Get It Here
  • Nintex RPA Unlocker (64-bit)
    • Prerequisites
      • Microsoft .NET Framework 4.7.2
      • Microsoft Visual C++ 2017 Redistributable Package (64-bit) - Get It Here
        • Expand 'Redistributables and Build Tools'
        • Download 'Microsoft Visual C++ Redistributable for Visual Studio 2017'
          • For 64 bit operating systems, select 'x64' and Download


Nintex RPA Chromium Extension for Google Chrome

After installing Nintex RPA, in order to support Google Chrome automation:

  1. Start Google Chrome.
  2. Using Google Chrome, go to
  3. Click Add to Chrome to install the Nintex RPA Chromium Extension for Google Chrome.
  4. Close Google Chrome and Nintex RPA.
  5. Restart Google Chrome and Nintex RPA.
    Nintex RPA can now target and automate elements within Google Chrome webpages.

The requirements for targeting with Google Chrome are:

  • Nintex RPA version 16.5.0 or higher.
  • Nintex RPA Chromium Extension version or higher.
  • Google Chrome Version 75 or higher.
  • Google Chrome Zoom set to 100%.
  • Windows Display Scale and layout set to 100% (Settings->System->Display).
  • Windows Display Make text bigger set to 100% (Settings->Ease of Access->Display).


System requirements



Nintex RPA and Nintex RPA Central must be installed on a computer that is part of a network domain.


Nintex RPA Central requires access to a Nintex URL to verify licensing. Without this access, RPA Central will not be allowed to run.
If a firewall is in place, configure it to allow HTTPS traffic on port 443 to access the following URL:



  • 2.0 gHz processor or higher
  • 4 CPU cores or more
  • 16 GB RAM or higher
  • 500 MB hard drive space or higher
  • 1024x768 display resolution or higher
  • Dual monitors
  • Internet Explorer 11
  • Local administrator rights



  • 1.8 gHz processor
  • 2 CPU cores
  • 3 GB RAM
  • 300 MB hard drive space
  • 1024x768 display resolution
  • Internet Explorer 11
  • Local read, write, execute, delete rights


Supported operating systems

Nintex RPA v16.0 and Nintex RPA Central v1.0 only support 64-bit operating systems.

  • Windows 10
  • Windows 8.1


Supported servers

  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012


Supported browsers

  • Internet Explorer 11
  • Google Chrome




Labels: (1)
Version history
Revision #:
19 of 19
Last update:
2 weeks ago
Updated by: