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Appian RPA System Requirements
The capabilities described on this page are included in Appian's standard capability tier. Usage limits may apply.


This page describes the recommended minimum configurations for running Appian RPA, as well as other considerations to make sure your environment is well-suited to successfully execute robotic tasks.

Browser requirements

See System Requirements for the Appian platform.

Host machine requirements

A host machine is the physical or virtual machine where a robotic task executes. At a minimum, host machines must have the following configuration:

  • RAM: 4GB
  • Operating system: 64-bit OS (x64-based)
  • Processor: Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz

Additionally, Java 8 must be installed on the host machine to run robotic tasks. When choosing which Java version to install, ensure to choose either 32-bit or 64-bit so it is the same as the version your operating system is using.

Note:  These requirements are our minimum recommendation to ensure the host machine can adequately handle the robotic task execution and interaction with programs and applications on the host machine. The agent, which connects the host machine to the RPA console, doesn't require significant memory in order to operate.


Make sure any firewalls are configured to allow HTTPS/443 traffic from the Appian RPA agents running on your host machines to your Appian Cloud site domain. Agents must be able to connect to your Appian Cloud site in order to run robotic tasks.


If you customize the domain of your Appian Cloud site, you must provide signed certificates issued by a public Certificate Authority (CA) for Appian RPA to work properly. If you use a signed certificate issued by a private CA, Appian RPA breaks and throws TLS/SSL exceptions.

Appian Cloud doesn't impose restrictions on whether to use public or private certificates. However, RPA customers must use a certificate issued by a public CA.

Learn how to configure a custom domain for your Appian Cloud site.

Development environment requirements

Appian recommends the following development environment for extending robotic tasks via workflow libraries or custom code:

Database support

You may be able to use MySQL or MariaDB with Appian RPA. New sites come with MariaDB enabled by default.

Refer to the table below for specific guidelines on which databases are supported for your Appian and Appian RPA versions:

  MySQL MariaDB
20.1 Supported for all Appian RPA versions Unsupported
20.2 Supported for all Appian RPA versions Unsupported
20.3 Supported for all Appian RPA versions Supported for Appian RPA 7.2+
20.4 Supported for Appian RPA 7.3+ Supported for Appian RPA 7.3+
21.1+ Supported for Appian RPA 7.5+ Supported for Appian RPA 7.5+

Visit System Requirements to learn more about which databases are supported for your version of Appian.

Version compatibility

Appian RPA is a capability of the Appian platform, but Appian RPA releases are independent from the rest of the platform. This release process allows for more rapid development so you get access to new features, bug fixes, and improvements faster. Some of these updates may rely on feature availability in the Appian platform. Therefore, if you're using an older version of the Appian platform, Appian RPA may not be able to take advantage of all the latest capabilities.

Appian RPA is backwards compatible with the Appian platform. In other words, each new Appian RPA release works for available versions of Appian back to 20.1.

Appian RPA System Requirements