I seem to be running into the error “The operation couldn’t be completed. RPC struct is bad” when attempting to connect to a SMB file share from an AirPort Extreme in iOS/iPadOS 13’s Files app. Which SMB version(s) does the new SMB connectivity support? This leads me to think that some older SMB servers may not be supported.
You should definitely file a bug about this. Even if this is the result of a version incompatibility — and I have no information on that front, either way — the error message should be better.
Please post your bug number, just for the record.
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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
let myEmail = "eskimo" + "1" + "@apple.com"That is a great idea, I will file the bug report today. Hopefully it’s just a glitch and not an intentional feature.