Exchange calendar invites not synching

We have an iPad 2 (iOS 5.1.1) that is having calendar sync issues with Exchange (2010) calendar invites. The issue is, when an invite is processed in Outlook, it stays in the iPad calendar “inbox” as if it has not been processed. Some of the events will have the correct response shown (accepted, tentative, declined), others will not show any type of response.
Doing some web searches, it seems that there is a known issue with the iOS 5, but I’m curious if you know when this will be fixed, or if there is a work-around?
By removing the calendar from the mail account on the iPad, it resyncs all events correctly, but over time the invite issue comes back…
Anyone seen this or have a work-around?

I'm not sure this is what you want to hear, but we tell our users to accept all invitations for meetings they want to attend regardless of where they appear...
http://office.microsoft.com/en-us/outlook-help/outlook-meeting-requests-essentia l-dos-and-donts-HA001127678.aspx
This article applies specifically to Outlook 2003, but we've found it also applicable to later client versions.

Similar Messages

IOS 6 Exchange calendar invitations not working

I like a lot the improved calendar invitations layout in iOS6, but for the life of me I can't seem to get it to work.
The new buttons do not seem to do anything.
My calendar is running under Exchange and I would like to know if any other users have managed to 'accept, decline or maybe' invitations on iOS6 with Exchange?
Many thanks

have had what I think is similar issue.... on both ipad and iphone. Running IOS6. Have gmail account setup through exchange connector. IOS receives and accepts invites just fine from external devices.... If i create a new invite on the IOS device and add invitees with external email addresses, once this calendar invite is saved into the diary it doesnt trigger invites to go out to those 3rd parties... but the invite definitely is in the calendar as can also see it on mast google calendar.
If I then go and move the timing of the invite that has been created on the IOS device (by holding down and dragging to new time) this then immediately triggers an invite (new Invitiation, not reschedule) to be sent to the external email addresses... any further modification to timing of invite then triggers 'reschedule' calendar invites to go out - so expected behaviour.
The issue is that IOS is not triggering the invite to go out to external parties who have been added to a newly created invite - and it only does this when the date/time of the invite is modified.
Spent about 1.5 hrs on phone to apple support yesterday - they have now passed on to 3rd level support....
Are others seeing the same behaviour as above?

Exchange calendar invitations accepted in IOS remain "new" in iCal

My work calendar and email is based on Exchange. I manage both from a Mac (using Outlook 2011 for Mac) and an iPhone 5 running IOS 7.latest.
It works just fine. If I accept an invitation on any platform is is accepted on all. Then I look at OSX Calender (which I will refer to as iCal) and I still see a mass of invitations (the ones that I accepted on my phone or using Outlook).
I use iCal because I share calendars with the rest of my family using iCloud. So that I can view my work and home calendars in one place, I have also set up iCal to see both iCloud and Exchange calendars.
The iCloud side of the house does what I want it to do. The problem comes with the way iCal deals with calendar invitations from my Exchange account. Here goes:
I receive an Exchange calendar invitation.
I process it (accept/tentative/decline) using Outlook on the Mac or the IOS Calendar on my iPhone.
The invitation on the device I didn't use goes away.
I open iCal.
The "new" invitation is still there in iCal waiting to be processed, the only way to clear it is to accept/tentative/decline it.
I cannot find any setting to prevent this from happening. iCal seems to ignore changes in status of Exchange invitations.
Any ideas gratefully accepted! Thanks, Charlie

have had what I think is similar issue.... on both ipad and iphone. Running IOS6. Have gmail account setup through exchange connector. IOS receives and accepts invites just fine from external devices.... If i create a new invite on the IOS device and add invitees with external email addresses, once this calendar invite is saved into the diary it doesnt trigger invites to go out to those 3rd parties... but the invite definitely is in the calendar as can also see it on mast google calendar.
If I then go and move the timing of the invite that has been created on the IOS device (by holding down and dragging to new time) this then immediately triggers an invite (new Invitiation, not reschedule) to be sent to the external email addresses... any further modification to timing of invite then triggers 'reschedule' calendar invites to go out - so expected behaviour.
The issue is that IOS is not triggering the invite to go out to external parties who have been added to a newly created invite - and it only does this when the date/time of the invite is modified.
Spent about 1.5 hrs on phone to apple support yesterday - they have now passed on to 3rd level support....
Are others seeing the same behaviour as above?

IPhone 4S Calendar will not synch to OutLook 2010 from 1 of 2 phones

Problem: iPhone 4S Calendar will not synch to OutLook 2010 from 1 of 2 phones. Contacts synch fine. Was no problem in the past until...
Sorry for the length. Trying to give all info I can.
Summary: Had to get motherboard fixed under factory warranty which included new hard drive, and reinstall everything on an HP DV7 laptop. So this is a clean installation of everything on the laptop (Win7). Configuring iTunes and Outlook 2010 for two iPhone 4S users (myself and wife) was my last step. Re-established each user account to iTunes. Calendar synch problem popped up on one of two iPhones that did not exist before.
Prior history: all synchs worked great prior to the clean install and I never had a problem.
Config: Windows 7, two iPhone 4S, Week Calendar apps on both. All software up-to-date on iPhones and Win7 (fanatic about that). Had OL2010 PST datafile backups and simply used them for the OL re-installs. OL2010 makes that easy. Each user has their own Win7 login to keep our stuff separate. Of course, OL has Calendar as part of its install.
Week Calendar apps on both are configured with same calendars (Calendar, Home, My Birthdays, Work). Verified each iPhone Calendars app, Calendar button: From My PC listing has all these checked: All From My PC, Calendar, Home, My Birthdays, Work; Other: Birthdays.
Difference: In using iTunes to synch, iTunes said the iPhone account was different from the OL account and asked to merge or replace. Apparently this is normal for iTunes on a new install (since basically it is) synching to prior synched stuff.
iTunes settings for both: Connect iPhone for each user and checked INFO settings for Contacts and Calendars.I used “selected calendars” and verified. Each user has all four calendars checked.
NOTE: Prior to each users first synch below, neither user had anything in OL2010 Calendar. Can't blame on recurring events problems in OL. ALL the events are on the iPhones and are being synched TO the PC to populate OL2010 Calendars.
Additional Note: Contacts was already loaded into OL from my backups so synching has no problem.
User 1 iPhone: Success 1st try.
In iTunes, selected “merge info” instead of replace.
Results: User 1 synched fine from iTunes to OL2010 including the 4 Calendars (Calendar, Home, My Birthdays, Work). 4 calendars showed up. No problems at all. Wonderful! expected behavoir.
User 2 iPhone: Still failing to synch.
In iTunes, selected “replace” instead of merge info. Apple’s dialog is incredibly confusing and non-explicit on what copies to what and what it does.
Results: User 2 synched fine from iTunes to OL2010 for Contacts. DID NOT synch the 4 Calendars (Calendar, Home, My Birthdays, Work). Only calendar that shows up in OL is Calendar and it doesn’t contain any data. iTunes has no errors and the synch status bar indicates everything went fine.
Tried: I deleted the PST files and copied the backup files back to OL to start over. ITUNES no longer gives me the merge info versus replace option. I’ve synched multiple times but the calendar data will not synch.
Not Tried: Creating the same remaining named calendars (Home, My Birthdays, Work) in OL and trying again.
ALL suggestions is greatly appreciated.

Ok, new info. This gets better and better.
In OL2010, the Calendar in the navigation pane had no arrow indicating it had subcalendars within it. I right clicked on Calendar and chose New Calendar. It gave me a list of the existing calendars that were missing !!
When I cancelled, there was an expand arrow next to Calendar in the Navigation pane !!!!!
Expanding it showed the unchecked missing calendars. I checked them and synched again.
WRONG THING TO DO! ALL my wife's calendar entries in her iPhone since the laptop went down 3 weeks ago DISAPPEARED. No warnings, nothing at any step of this process. The OL files overwrote the iPhone data.
I can't find any way to get them back as this **** iStuff relies on iTunes for everything.
Is there any way to get her files back from before this synch?
Is there no way to save data files off the iPhone w/o iTunes?
Why doesn't iTunes let you control the direction of data transfer?
I now have one very ****** off wife.

Why are my calendar invites not in sync?

Does anyone know how to fix Exchange calendar invites that aren't staying in sync? There are many invites that I've either accepted or declined in Outlook on my work machine, but still show up as unresponded in the Calendar app on my home Mac. If I try to delete them, it's sending "decline" invites to people and sometimes these invites are weeks or months past.

https://discussions.apple.com/thread/5475702?start=15&tstart=0#
Paste the above link into your browser. This person has a fix apparently.

Forwarding Exchange calendar invites from calendar app not working

We have Samsung Windows 8 phones and have discovered a problem with forwarding calendar invitations from within the calendar app on Exchange 2010 / ActiveSync.
User A on Exchange 2010 will create a new meeting request and send it to user B. User B will accept the calendar invitation on their Windows 8 phone. User B will then go into the calendar app on their phone and forwards the calendar item to User C. User
C does not receive anything nor does User A receive a notification that their original meeting invite has been forwarded. No error messages are shown on User B's phone. It's as if the forwarded item simply vanishes.
With the same scenario as above, if User B does NOT initially accept the meeting invite from User A and instead immediately forwards the invite to User C from within the MAIL app on his phone, before accepting the meeting, User C receives the invitation
as per normal and User A receives notification that their meeting request was forwarded, as expected.
If User B does NOT initially accept the meeting invite from User A, but then goes into the calendar app on their phone and attempts to forward the meeting request (showing as tentative as they have not accepted it yet), User C still does not receive anything
and User A does not get notification.
This appears to be a bug within the Calendar application on Windows 8 phones as forwarding meeting invites works fine from within the Mail app (provided the user has not accepted the meeting yet - once the meeting has been accepted in the mail app, the item
"disappears" and is no longer accessible except from within the Calendar app).
This is a pretty major issue with heavy calendar users (e.g. executives) as they will be forwarding accepted meeting requests from their calendars and without receiving any error messages will assume the forwarded invitation has gone through, when in fact
it hasn't.

We have reproduced this issue internally and are filing a bug to get this issue fixed. As soon as we have an update to this, we will report back on this thread. Thank you for raising this issue.

Outlook Calendar invite - Not able to send from exchange server.

Hi,
I am not able to send outlook calendar invite from exchange server. But if i installed outlook on my local machine/server it works fine. Below code the i used to build calendar invite for your reference.
public static void sendOutlookInvitationViaICSFile1(EAppointmentMail objApptEmail)
try
log.Info("Invite Started");
Microsoft.Office.Interop.Outlook.Application apptApp = new Microsoft.Office.Interop.Outlook.Application();
Microsoft.Office.Interop.Outlook.AppointmentItem agendaMeeting = apptApp.CreateItem(Microsoft.Office.Interop.Outlook.OlItemType.olAppointmentItem);
DateTime venueDate = Convert.ToDateTime(objApptEmail.VenueDate);
string formatedVenueDate = venueDate.Year.ToString() + "/" + venueDate.Month.ToString() + "/" + venueDate.Day.ToString();
DateTime from = Convert.ToDateTime(formatedVenueDate + " " + objApptEmail.FromTime);
DateTime to = Convert.ToDateTime(formatedVenueDate + " " + objApptEmail.ToTime);
System.Net.Mime.ContentType typeHTML = new System.Net.Mime.ContentType("text/html");
//Create the Body in HTML format
string strBodyText = "Type:Single Meeting\r\nOrganizer: {0}\r\nStart Time:{1}\r\nEnd Time:{2}\r\nTime Zone:{3}\r\nLocation: {4}\r\n\r\n\r\n\r\n{5}";
strBodyText = string.Format(strBodyText, objApptEmail.Email, from.ToLongDateString() + " " + from.ToLongTimeString(),
to + " " + to, System.TimeZone.CurrentTimeZone.StandardName,
objApptEmail.Location, objApptEmail.Body);
if (agendaMeeting != null)
Console.WriteLine("started");
agendaMeeting.MeetingStatus =
Microsoft.Office.Interop.Outlook.OlMeetingStatus.olMeeting;
agendaMeeting.Location = objApptEmail.Location;
agendaMeeting.Subject = objApptEmail.Subject;
agendaMeeting.Body = strBodyText;
agendaMeeting.Start = from;
agendaMeeting.End = to;
Microsoft.Office.Interop.Outlook.Recipient recipient = agendaMeeting.Recipients.Add(objApptEmail.Email);
recipient.Type = (int)Microsoft.Office.Interop.Outlook.OlMeetingRecipientType.olRequired;
((Microsoft.Office.Interop.Outlook._AppointmentItem)agendaMeeting).Send();
log.Info("Invite Successfully End");
Console.WriteLine("End");
catch (Exception ex)
log.Info("Error: " + ex.Message.ToString());
Console.WriteLine("Error: " + ex.Message.ToString());
In exchange server/ not outlook installed server, i am getting below error.
"Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))"
Help me to send calendar invite without installing outlook on the specified server. Please do the needful.

Hi
It is probably that the stuff you doing is for outlook and because outlook is not installed it cannot find the classes.
Hope this helps. Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Exchange calendar (but not email) -- Receive invites?

I have MobileMe set up for email on my iphone, but I don't use MobileMe's calendar because it can't accept meeting invites. I use mail2Web's hosted Exchange calendar for my calendar, because it can accept invites. So I have those two accounts both set up on my iphone. In the iPhone's settings for the Mail2Web account, do I need to turn "mail" on in order to receive meeting invitations? Or is just having the "calendar" setting turned on good enough? I'd rather leave "mail" turned off, if I can, but from some testing, it looks like I may need both "mailbox" and "calendar" turned on if I want the iPhone to register new meeting invitations.
Thanks.

how do you sync it ? What is the sync client you are using in your phone ?

Calendar Invitations Not Showing in "Inbox"

Hello Everyone,
I'm trying to get my iCloud Calendar to work on my iPhone 5 with iOS8. You'd think this would be pretty straightforward, but apparently not!
This worked great when my wife and I were both using Exchange hosted email accounts from our ISP. I'm trying to drop the Exchange hosting for my account and if I can do so successfully, my wife will likely do the same, but I'm running into some issues here!
Problem: (after removing Exchange account keeping Outlook.com and iCloud accounts)
When creating a new Calendar item and inviting my wife, she doesn't receive any email with an invite to the Calendar item.
When my wife creates a new Calendar item in Outlook on her computer running Windows 8.1 and sends me the invite (to either my iCloud or Outlook accounts), I receive it in email, but it doesn't show up in the Calendar "Inbox" for me to "Accept" the item. If I open the invite in the email all I can do is "Add to Calendar". Again, this worked fine when trying to use my Exchange hosted email account.
Config:
I have an iCloud and Outlook.com email addresses with the Outlook one setup as my iTunes ID and my iCloud account setup as an alternate email.
On my iPhone I have iCloud setup to sync everything
In my Mail config for my Outlook.com account on the phone, I have it set for Mail only (no Calendar).
My goal is to use the default iCloud Calendar for myself and the Family Calendar for us to share. However, there will be times when I will need to invite my wife or kids to items in my main Calendar so I need this to work!
If I turn on Calendar syncing for my Outlook.com email in iOS then Calendar invites to that address work as expected and show up in the Calendar "Inbox". I've tried removing all of my accounts and only leaving my iCloud account on the phone and still having the exact same issue. Any ideas? This is really frustrating!
Thanks,
-Jeff

I have the same problem and also a few guys in this thread Issue using Google Calendar on iOS 8 (iPhone 6)

Outlook calendar invitations not showing in email

I use Outlook with OSX10.9.5.
When I receive calendar invites, they don't come up in my email, so unless I scroll through my calendar looking for them, I don't know I've been invited. I used to get emails but suddenly they've stopped. I've gone through preferences with a fine tooth comb and can't find anything related to this. Please help.

Yes, all of my recurring events that do sync were created years ago in Outlook and I had no problem syncing them to my Blackberry Bold way back when. Initially when I got my iphone 4, everything synced both ways and then this year I got an iPad and intitally everything synced with it via iTunes/outlook with no problem. I've only noticed this problem within the last month or so and it drove me crazy. I reset both my ios devices but I refuse to uninstall and reinstall Outlook or iTunes. I've seen tons of posts on here that say it afffects the cloud, exchange servers and itunes so it's not just us. I've sent feedback to Apple and received no response. Others have too. Apple is aware of it and doesn't have a clue what to do about it. It now affects other events for me so I'm thinking maybe it has to do with default reminders and other things between Outlook and the ios devices. Maybe and update to iTunes or ios6 will change that, who knows. I still love my iPhone and would't go back to Blackberry; it's just way to slow for me.

My exchange calendar will not sync.

I installed, succesfully, my exchange email and contacts, but for whatever reason, my calendar will not sync. The error that pops up says that my email address is not valid. Any ideas?

I somehow managed to fix this myself. I am new to Mac. What I did was go to Settings and deleted the Exchange account then I re-added it, quit all the windows, re-started the Mac and it all worked fine.

Exchange Calendar Will Not Sync or Delete

Download the 2.1 update this morning and it went smoothly. However, my calendar has not only stopped syncing with my exchange account, but it's been completely wiped clean on my phone.
When I try to remove the exchange account (I figured this would be the easiest solution) and set it up all over again, I get a pop up that says "Deleting account" that seems to run forever (it's been over 30min). Additionally, when I hold down the home button to cancel out of it and try to go back into settings, settings won't function and appears as though it's frozen indefinitely. The only way then to get settings to work again is to restart the entire phone (hold home/power button for 5secs).
Bottom line: I need exchange back up and running and my calendar needs to be re-synced. Any assistance would be helpful.

I am having the issue with calendar exchange as well. My email appears to be working normally, but its eating my battery very quickly!
Someone help us quickly! I am going to try a phone restore now and try and go back and hopefully my exchange calendar will be back (after the phone, it's my most important feature I need for work).

ICloud calendar invites not sent

When a friend sends meeting invitations, they appear not to ever arrive at the recipient.
I've been doing some research to work out why, and found a lot of discussion that basically says: if the recipient's email address is associated with an iCloud account, iCloud will always deliver the meeting request to their iCloud account (when really it should go to their email!)
For example, my email address at Gmail is associated with my iCloud account so I never receive the invited as I don't use iCloud mail. My business address which is on my own domain and not associated with an iCloud account, receives invites just fine.
Apparently there is a tickbox in iCloud settings which says to deliver the message rather than 'notifying' the user, which is meant to fix it, but this would mean my friend would have to get all of his recipients to do this! A bit ridiculous.
People appear to have been complaining about this issue for a couple of years - I can't believe Apple still hasn't changed this situation.
Unless anyone here begs to differ and knows another way around it?

To follow up on my experience, back around Nov 1st when I originally posted, I had already combed through all the findable threads of related errors and one-by-one determined none of them were applicable to my scenario. Nonetheless, I went through the step of terminating my calendars and recreating them and so forth. All that effort had no effect.
Fast forward.
While I'm not a believer in magic, I noticed sometime around Nov 27th (or thereabouts), my calendar invites were suddenly being sent. Perhaps then there is hope for others in my situation. I am confident nothing changed on my side, so perhaps Apple made some silent updates in the cloud that sorted out the issue. In any event, I wanted to report that it suddenly started functioning as desired with no action on my part.

Iphone calendar does not synch with outlook

Starting on Feb 1, my iPhone (5s) does not synch with Outlook (2013). Have tried many things:
1. Building new Outlook data file (.pst)
2. Changing synch settings in iTunes
3. Changing USB cables
4.Removing/reinstalling iTunes and other Aplle software
Problem seems to have started after upgrading iOS and iTunes.
Any idea?

Yes, that does make sense. You can transfer data from the old .pst file without saving it as a .pst file. Archive your current .pst. Then save your contacts as vCards, and save your calendar as an iCalendar file. After creating the new .pst file, you can open the old calendar in the new .pst as well as import the vCards back to your contacts.
Last question, did you run the scanpst.exe program to review your .pst file for corruption? You will find that, if I remember correctly, in the Office program folder. You can search for it. Run that, it prompts you for your .pst file and will scan it for problems. But saying that it started on a specific date would lead me to believe it is something you probably added that day. Out of all of the time I've been using Outlook 2007, 2010, and 2013 with my iPhones, and I've had them since the first one, I've only had 2 small events, and copying over the .pst has fixed them both.

Exchange Calendar availability not working after upgrading to Mountain Lion

After upgrading to Mountain Lion cannot longer see calendar availability on my Exchange account, before upgrading it worked ok - anyone has the same problem?

Had the same problem on 2 Macs (iMac and MBP) after downloading ML last night, could not access my Exchange calendar via iCal. Deleted the accounts from iCal, then reloaded them, now all seems to work

Exchange calendar invites not synching

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