Can you access same workspaces from your laptop ? Also check if the iOS devices is allowed in the security settings.
Check the directory details for your WorkSpaces. In the directory details under the "Access Control Options" section ensure that you have iOS checked under "Other Platforms." If this is not checked you would not be able to access your WorkSpace from an iOS device.
I recently encountered a situation that might explain what you’re seeing. There are two different connection protocols available for workspaces, PCoIP and WSL. To work with iOS devices, your WorkSpace bundle needs to be one that is created with PCoIP, not WSL. I had a WSL WorkSpace, and trying to connect to it with the iPad client gave me, frustratingly, the exact error described in the original post, which when you search AWS troubleshooting guides you will think it’s either access control or some problem with your directory. Fortunately for me, my WorkSpace just exists to run Excel for some finance homework, so it was trivial for me to delete it and create a new one using PCoIP to connect.
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