SOLVED

HTTP 451 Redirect Compatibility (specifically iOS 9+)

%3CLINGO-SUB%20id%3D%22lingo-sub-14370%22%20slang%3D%22en-US%22%3EHTTP%20451%20Redirect%20Compatibility%20(specifically%20iOS%209%2B)%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-14370%22%20slang%3D%22en-US%22%3E%3CP%3EHi%2C%20can%20someone%20point%20me%20to%20somewhere%2C%20where%20I%20can%20find%20more%20details%20about%20supported%20configurations%2Fdevices%20for%20HTTP%20451%20redirects%3F%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EWe%20have%3C%2FP%3E%3CUL%3E%3CLI%3EExchange%202013%20CU13%20onPrem%3C%2FLI%3E%3CLI%3EExchange%20Online%20Hybrid%20Configuration%20with%20ADFS%20SSO%20(AAD%20Connect)%3C%2FLI%3E%3CLI%3Ewith%20mailboxes%20moved%20from%20onPrem%20to%20Exchange%20Online%3C%2FLI%3E%3CLI%3EiOS%20Devices%20with%20iOS9%20and%20iOS10%3C%2FLI%3E%3C%2FUL%3E%3CP%3EWhat%20infrastructure%20parts%20do%20really%20have%20to%20support%20HTTP%20451%20redirects%20in%20order%20for%20a%20moved%20mailbox%20to%20automatically%20reconfigure%20in%20iOS9%2F10%20(integrated%20Mail%2FCalendar%2FContacts%20App).%3C%2FP%3E%3CP%3EAlso%2C%20does%20anyone%20know%20which%20EAS%20Versions%20are%20shipped%20with%20iOS9%20and%20iOS10%2C%20as%20this%20also%20seems%20to%20be%20a%20limiting%20factor.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-14370%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EExchange%20Online%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EExchange%20Server%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EHybrid%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-15022%22%20slang%3D%22en-US%22%3ERe%3A%20HTTP%20451%20Redirect%20Compatibility%20(specifically%20iOS%209%2B)%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-15022%22%20slang%3D%22en-US%22%3E%3CP%3ELooks%20like%20my%20scenario%20is%20working.%20I%20just%20didn't%20work%20for%20me%2C%20because%20I%20had%20MFA%20active%20and%20iOS%20Mail%20wants%20an%20app%20password%20after%20the%20mailbox%20move.%3C%2FP%3E%3C%2FLINGO-BODY%3E
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Valued Contributor

Hi, can someone point me to somewhere, where I can find more details about supported configurations/devices for HTTP 451 redirects?

 

We have

  • Exchange 2013 CU13 onPrem
  • Exchange Online Hybrid Configuration with ADFS SSO (AAD Connect)
  • with mailboxes moved from onPrem to Exchange Online
  • iOS Devices with iOS9 and iOS10

What infrastructure parts do really have to support HTTP 451 redirects in order for a moved mailbox to automatically reconfigure in iOS9/10 (integrated Mail/Calendar/Contacts App).

Also, does anyone know which EAS Versions are shipped with iOS9 and iOS10, as this also seems to be a limiting factor.

 

1 Reply
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Best Response confirmed by Ivan Unger (Valued Contributor)
Solution

Looks like my scenario is working. I just didn't work for me, because I had MFA active and iOS Mail wants an app password after the mailbox move.