Forum Discussion
Company Portal Profile installation failed on iPhone - Status code 400
Hello, I've been managing mobile devices through InTune for almost a year. Most of our devices are iOs - I add the phone to the Apple Business Manager - wait for it to appear in InTune - then i...
A Status Code 400 during Company Portal profile installation on iOS (Intune) is typically a client-side enrollment or configuration issue, not a transient service failure—especially if retries consistently fail.
Mainly, the two main cases are:
1- Device Already Exists in Intune (Duplicate Object), Intune may already have a record for this device (same serial/UDID).
2- Enrollment Profile Misconfiguration, such as user affinty mismatch or Authentication method conflict.
3- Some condetional access auth failure.