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Portal compatibility with earlier versions of ArcGIS

This topic answers common questions about the compatibility of Portal for ArcGIS with earlier versions of ArcGIS.

I want to federate my ArcGIS Server site with Portal for ArcGIS. Do both of these products need to be running the same version?

When federating a server site with your ArcGIS Enterprise portal, the server version must match the portal version in most cases. It is supported to federate a server site at an earlier version when the server site is as follows:

  • An ArcGIS Server site that is not designated as the hosting server site. The hosting server site must always match the version of the portal.
  • An ArcGIS Image Server site that is not designated as a Raster Analytics site or Image Hosting site. Raster Analytics and Image Hosting sites must always mach the version of the portal.

Note:

Retired software versions are not guaranteed to be compatible with new versions. When federating ArcGIS Server or ArcGIS Image Server sites at earlier versions, the version must be supported per the product life cycle policy to receive technical support.

Can I configure an earlier version of ArcGIS Web Adaptor with Portal for ArcGIS?

No. To configure ArcGIS Web Adaptor with Portal for ArcGIS, both products need to be running the same release version.

Can I install ArcGIS 11.0 Web Adaptor (IIS) on the same machine as an earlier version of ArcGIS Web Adaptor (IIS)?

Yes. You can have ArcGIS Web Adaptor (IIS) installed alongside one other earlier version of Web Adaptor on the same machine. For example, you can have a 10.8 version and an 11.0 version of Web Adaptor installed on the same web server.

As with earlier releases, the Web Adaptor version must always match the version of Portal for ArcGIS. For example, you cannot configure a 11.0 version of Web Adaptor with an earlier version of Portal for ArcGIS.

To upgrade an earlier version of ArcGIS Web Adaptor (IIS) to 11.0, you need to uninstall the earlier version and install the 11.0 setup. After installing 11.0, you need to configure Web Adaptor with Portal for ArcGIS.

To learn more, see Install ArcGIS Web Adaptor (IIS).

What is the migration path from earlier versions of Portal for ArcGIS to version 11.0?

Running the 11.0 setup will automatically upgrade your existing deployment of Portal for ArcGIS to 11.0. The upgrade does not migrate any custom behavior you've configured for your portal, such as properties you've modified in config.js. You are responsible for backing up and restoring any customization between versions. To learn how to upgrade an earlier version of Portal for ArcGIS to 11.0, see Upgrade your ArcGIS Enterprise portal.

Migration to Portal for ArcGIS 11.0 from a pre-10.2 version is only supported through an Esri Professional Services engagement.