Hey all - I have a DEP iPhone - during OOBE for the phone on the "configuring iPhone" page just after "Data & Privacy" it receives the error "profile installation Failed The SCEP server returned invalid response."
I have tried different networks and phone data, I have tried to connected to iTunes but it obviously says "The iPhone is Supervised by another Computer and cannot be used with this computer" (we have a policy that puts this in place so I assume this is why)
I have removed the phone from our Intune altogether (changed the server on apple business manager to unassigned and deleted from enrollment program tokens).
Is there some kind of way to forcibly reset it before its even set up without iTunes?
I'm trying to experiment with configuration profiles and in order to do that I am starting out with one created by Apple's Profile Manager application that uses SCEP. When I take the .mobileconfig file and install in on the device (using Apple Configurator 2) it installs fine without any issue.
However, I noticed that if I modify anything in this profile (even something minor like "PayloadDisplayName") the enrollment process gets to the end but ends up failing with this error:
Profile Installation Failed: The SCEP server returned an invalid responseLooking at console logging doesn't show much of use:
default 14:00:17.421822-0700 profiled Could not retrieve issued certificate: NSError: Desc : The SCEP server returned an invalid response. US Desc: The SCEP server returned an invalid response. Domain : MCSCEPErrorDomain Code : 22013 Type : MCFatalError error 14:00:17.422199-0700 profiled Cannot retrieve SCEP identity: NSError: Desc : The SCEP server returned an invalid response. US Desc: The SCEP server returned an invalid response. Domain : MCSCEPErrorDomain Code : 22013 Type : MCFatalError error 14:00:17.422306-0700 profiled Rolling back installation of profileIt seems there is some sort of signing or checksum being used, but this is strange since the profile specifically says it is not signed. Looking at all the fields in use, the only thing I can guess is that the challenge field is somehow involved. Apple's documentation gives a hint about this field here:
The front end service can be set up to gate access by means of a challenge, which in practice is an authorization token (a one-time password, or a signed/encrypted blob containing user/device info) to allow automatic issuing of a certificate.
However the above is only a recommendation, and I am not able to find out how the challenge parameter is actually defined (the value I am using is oBGLAsWsMWnHiycHpBaHXNmVEDevrLt). I'm using the SCEP server that comes with Profile Manager but I have been unable to find any documentation about this, and the logging that is supposed to be present in the console log (with key "com.apple.SCEP") doesn't seem to exist.
If I remove the challenge parameter completely from the profile, I get a prompt during device enrollment, but I'm not sure what I should be putting in there.
If anyone has any ideas, please let me know.
UDPATE: Looking in /Library/Logs/ProfileManager/dmSCEPService.log I see these errors:
0:: [335] [2019/06/19 14:00:16.917] Certificate placeholder with challengePassword not found 0:: [335] [2019/06/19 14:00:16.917] EXCEPTION: SCEP BAD CHALLENGE <SCEP BAD CHALLENGE> USERINFO: { NSLocalizedDescription = "Unknown error 20"; }This confirms it is the challenge causing the issue, but I'm not sure how to generate a proper challenge so things will succeed.
Symptom
The iOS enrollment fails with the iOS device reporting the following error message:
"Profile Installation Failed
The SCEP server returned an invalid response."
Read more...
Environment
SAP Afaria 7
Product
SAP Afaria 7.0
Keywords
KBA , MOB-AFA , Afaria , Problem
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Testflight Profile Installation Failed, the SCEP server return an invalid response
Tags: ios , iphone , testflight Answers: | Viewed 12,410 times
One of my user is having trouble installing the TestFlight App (not Apple's TestFlight).
He encountered the error: "Profile Installation Failed, the SCEP server return an invalid response."
I advise him to follow the steps listed here:
//help.testflightapp.com/customer/portal/articles/402816-registration-issues
He told me that he has no profile installed in his profiles and after following the steps, he still encounter the same error.
I at a lost as to what to do now and any advise will be appreciated.
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