iphone calendar invite issue

not receiving calendar invites that have been setup on iphone. the user setup the meeting and shows on his outlook, but attendee never received it. however when the meeting got cancelled from outlook, got the alert.any ideas what to check. sync between outlook and iphone is happening , but attendees are not recieving alerts. please help.


iphone 7 , using exchange 2007 sp2.
Rajkumar KamathIT ManagerAsked:
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Jackie ManCommented:
Your exchange server is outdated. You need to upgrade it or do a migration to Office 365 Exchange online.
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Jackie ManCommented:
You need to install Outlook for iOS to do a test.

Try to update to Exchange 2007 SP3 first.
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Rajkumar KamathIT ManagerAuthor Commented:
happening with normal gmail account also. tried sending invite from gmail to exchange account and did not receive it. only time it came through was, when all other calendars were hidden and only the gmail calendar set to show up. any thoughts.
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Jackie ManCommented:
For Gmail, you need Inbox for iOS app and Google Calendar app.

iOS 11 is the problem.

What is MS Outlook version?
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Rajkumar KamathIT ManagerAuthor Commented:
outlook 2013. it showed up the invites immediately when the meetings were setup.
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Jackie ManCommented:
If you want to fix sync problem for calendar with iPhone 7, you need to install the respective app from Google or Microsoft.

Normally, Outlook app for iOS is better in term of compatibility.
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Rajkumar KamathIT ManagerAuthor Commented:
The problem with the outlook is , it does not show contacts in native app and a big trouble when it comes to the top execs.
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Rajkumar KamathIT ManagerAuthor Commented:
thanks for the input. we are in the process of migrating and have done most of them. the top execs were left and guess will be doing those quickly now.
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