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Identity Federation for AWS is a shared authentication component used by all other AWS related Utoolity apps in the Atlassian Marketplace. Due to also providing value on its own, we opted to publish it as a separate app that can be used standalone as well. Regardless, Identity Federation for AWS is required by other Utoolity apps and cannot be disabled as such, though please note the following:
usage of Identity Federation for AWS is free when used together with other Utoolity apps (works automatically – free licenses available, but not required)
while recommended, usage of Identity Federation for AWS is not yet technically required when using Tasks for AWS (Bamboo) for legacy reasons, but likely will be at some point in the future
if you do not want to use some of the user facing Identity Federation for AWS components, refer to the following how-to articles: