> We have provided a set of users with the Insert Image role permission however > some users are still unable to insert an image into a discussion post.
Best practice is to assign permissions *to roles* and then *assign users to those roles* and not assign specific permissions to specific users.
> Has anyone seen this before and is there another permission line that it is > reliant upon?
Can you check your HTML related permissions? As far as I know, at least " Use simple HTML in posts and signatures" should be granted for users to be able to embed images in posts:
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