This message is the case when either:
- Your device is enrolled under MDM and after deployment it will display something like image below.(www.apple.com/iphone/busine...)
- Your passcode is too obvious and needs to be changed
- Microsoft Exchange can force a passcode on your iPhone.
Obvious codes start with the following numbers:
But also include:
- 0000 (or any 4 same number combination)
- 0001 or 0010 or 0100 or 1000 (or any number with this pattern)