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Exchange 2016

I have just completed migrating to exchange 2016. Email is flowing in and out properly and all users have access to email via Outlook web access. However, no one with a mobile device is able to connect to The Exchange Server. Everyone receives the error message authentication failed.

any thoughts on what is happening here?
James Harrell
James Harrell
1 Solution
Todd NelsonSystems EngineerCommented:
When you say "all" users do you mean "all" users or just those users you are testing?

Assuming the latter, are those users a member of any privileged groups (i.e. Domain Admins, Enterprise Admins, Schema Admins)?

If so, within the advanced security settings of the users, enable "Allow inheritable permissions..."

After enabling, the mobile users should have access to their mailboxes.

James HarrellAuthor Commented:
By "all", I mean all users who have mobile devices.  None of them are administrative users.  I am receiving the same message when attempting to set up the Domain Admin account on my phone.  for this account too I receive "authentication failed" , even after the advanced settings inheritable permissions check box is set
Todd NelsonSystems EngineerCommented:
Run the ActiveSync tests from the remote connectivity analyzer ... https://testconnectivity.microsoft.com

Hopefully, it provides you insight to what might be happening.
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Try to use exchange connectivity (acivesync) test at https://testconnectivity.microsoft.com
Please use a test or normal user account and change the password afterwards.
It can give you additional information about where the problem is.
Todd, sorry for repeating your suggestion.
Todd NelsonSystems EngineerCommented:
j_harrell, will you provide a status update?
Jason CrawfordTransport NinjaCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: j_harrell (https:#a41825461)

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

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