For context see this Esri FAQ: https://support.esri.com/en/technical-article/000019305
In the article, Esri plans to require TLS 1.2 connections for ArcGIS Online services starting in February 2019.
Solved
Esri's ArcGIS Online is removing support for TLS 1.1 and 1.0, Is there anything I need to be aware of as an FME user?
+21- Safer
Best answer by brianatsafe
FME has supported TLS 1.2-based connections to ArcGIS Online starting with FME 2015.1.1. This applies to workspaces run with FME Desktop, FME Server or FME Cloud.
If you are using a version of FME previous to FME 2015.1.1 to interact with ArcGIS Online, you may not be able to access the service. The simplest fix is to upgrade FME to a newer version which will correct this issue. Please contact us if you are still running into any problems after the upgrade.
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It may be an old question, an answered question, an implemented idea, or a notification-only post.
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For follow-up or related questions, please post a new question or idea.
If there is a genuine update to be made, please contact us and request that the post is reopened.
+13- Safer
- Best Answer
FME has supported TLS 1.2-based connections to ArcGIS Online starting with FME 2015.1.1. This applies to workspaces run with FME Desktop, FME Server or FME Cloud.
If you are using a version of FME previous to FME 2015.1.1 to interact with ArcGIS Online, you may not be able to access the service. The simplest fix is to upgrade FME to a newer version which will correct this issue. Please contact us if you are still running into any problems after the upgrade.