Revert "do not modify existing settings if not specified in config string."

This reverts commit 1b04d1e9f3b63fb5c36d1a72b1be01926e3cef2e.
Revert "exempt capabilities from error 1006"

This reverts commit 5db6d0cdc9d516fd3bbd1ec47bdd2e6af73a6a60.