IPhone/Exchange Calendar issue

I have an original iPhone connecting to an exchange 2003 server. E-mail is working correctly but the calendar sync is pushing new events. If an event is created on the iPhone it will push to outlook (2007) however if an event is created in outlook it does not push to the iPhone. Also, if there is an event deleted in outlook it will push delete on the iPhone. Any suggestions would be appreciated.
Thank you!

I was having the same problem and managed to fix this by going into the settings on the iphone, mail/contacts/calendars, the exchange account, and turned OFF the Calendar switch and then back on... I went straight to the calendar and all was gone on the iphone and minutes later all was there and all was now working both ways...
Give it a go.

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Ipad exchange calendar issues.

Afternoon all.
I'm having some trouble with the Exchange calendar on both my iPad Air and iPhone 5S.
I Can create calendar entries and invite attendees no problem.
the issue comes when those attendees accept or decline the invitation.
I receive an email stating which option they have closed but in the calendar entry itself the invitee is still listed under "No Response"
Has anyone else had this issue?
Thanks in advance.

I have been having very similar issues to those described by Imola. The calendar appears to try to load, and a few appointments may show up, but then they will all (or almost all) dissapear. My company uses Exchange 2003.
Occassionally, deleting a large attachement has helped. But not always. Several times in the past, I have exported all my calendar entries as a .csv file, deleted all the calendar entries in Outlook, and then re-imported the .csv file. While this always works to re-populate my calendar, it also strips functionality (like recurring appointments).
This is very frustrating, and results in me havinging to rely on my Blackberry while traveling, when I would like to just trust the data in the iPad. A web search clearly shows that many people have this issue, but I have not yet seen any direct responses from Apple. I hope this is addressed soon.

Iphone 5 calendar issue

Iphone 5 calendar won't display the final day of an event that covers more than one day. E.g. An event beginning on the 25th July at 8am and set to finish on the 30th at 10pm, ordinary calendar would only show dots for the 25th to the 29th. In the text box beneath it intermittently shows that there is actually something happening on the 30th without the dot.

Also happens with my fathers iPhone 4S, I assume it's an IOS issue in that case.

IPhone 5 Calendar Issue: January 1, 1995

I flew from the Eastern Time Zone into Central Time Zone, which is my home time zone, this afternoon, and tonight my iPhone 5 is telling me the date is January 1, 1995. Can anyone help explain why this is happening, and/or how to fix it? It sometimes switches back to the correct date, but only for a minute or less. I have restarted my phone twice and it has not worked, even when I kept my phone off for over an hour. When the date is January 1st, 1995, I cannot send texts, or go onto the internet, or use any apps using data. PLEASE HELP!!
Much thanks

Hello rossiegee,
The article linked below details some useful information that can help resolve issues with an incorrect date on your iPhone.
iOS: Troubleshooting issues with date and time
http://support.apple.com/kb/TS3920
Cheers,
Allen

IOS 6 sync exchange calendar issue

After upgrading to iOS 6, i tried to add an exchange account for my google calendars. I end up in an endless loop of it asking for my password.
Completely delete account and start over only to end up in the same loop. It goes through all the setup, appears to be ok saves the account and then about 10 seconds later starts prompting me for a password...
All settings are correct (server is m.google.com) user name and password are correct.
thoughts?
thanks!

Still struggling with this! From my iPhone (on iOs6) the calendar syncs just fine, also back to calendar in laptop.
In iPad calendar sync stopped happening yesterday some time. Tried many of the suggestions around, culminating in deleting Gmail account and re adding.
I notice that if I just add it with mail it works fine.
If I try to add with calendar or notes it will not work. Further, if I try to add calendar or notes AFTER adding account with just mail, it sits there saying "turning on calendars/notes" for ever. Nothing happens.
I can access all Google capabilities with Google iPad app, but that rather negates the benefit of having your calendar accessible in iPad when offline!
This is clearly an iOS6 and (quite likely iPad specific) issue.

HT203521 iPhone 6+ calendar issue - the dates that have events are "flashing" on and off. How can I get it to stop?

On my Calendar - any dates that has an event 'dot' it flashes/blinks. Any idea why? It is like it is trying to show that it is updating but it has been doing it for a week now. I have it set to show all Calendars (iCloud and Hotmail).

This is Relate to the CALDAV service of Hotmail changing to Outlook and updating their CalDav Services witch may Lag sometimes and cause the error you are having, for you to solve this
Settings > Mail, Contacts & Calendars > Accounts Outlook, Disable the Calendar service Hard Reset the iPhone and enable it again that should fix the issue
Provide a feedback if this solved the issue

Exchange calendar issues after iOS 7.04 upgrade

Outlook 2007 clients on Exchange 2010 server cannot see time as booked for someone via the free busy scheduling assistant on an entry scheduled after 11 months. Occurs only on users with iOs 7.04. No other issues reported with 7.04 yet. Has anyone else seen this? Users doingthe scheduling can temporarily use OWA instead of Outlook. Can be reproduced by having the 7.04 user create a repeating appointment with no end date, during their work hours. Anyone can check their free busy time from the scheduling assistant and check each week or month for the next year. Confirm directly from the calendar that the event is there with no end date. The time is shown as busy up until approx. the 11 month. Then after that the time is shown as free even though it is booked. In the suggested times bar on the right, the time slot is not free.

Mine too has stopped after this update. If you press and hold the home button, the screen that prompts "What can I help you with?" pops up but you never receive the audible tone that indicates you can speak. A reboot corrects this on the first attempt to use siri but on the second attempts (and all others after) the problem returns. This was after the 7.0.4 update. This worked fine prior to this update.

HT1386 iPhone Syncing Calendar issues...

Hi All,
I've had a recent problem in that my iPhone 4S seemingly 'lost' a load of my Calendar entries. I checked that all the Calendars where being synced by selecting 'All calendars' and this was okay, but when i tried to Sync with iTunes, I got a message saying I'd delete over 800 entries on the Computer (the 'over 25% of entries being changed' warning) if I continued, so I 'cancelled sync' of the Calendar entries...
I next followed the support page recommendation, and on iTunes>(Device)>info>advanced, clicked on the 'Replace information on this iPhone - Calendar' box. Next Sync, all entries reappeared, but whenever I've tried to Sync since it tells me that if I proceed , I will 'MODIFY' over 350 entries on the computer - something I'm a little weary of doing! Is there any advice anyone can give as to where I've gone wrong / if I should just proceed, etc?
I'm running Windows 7, and the iTunes is up to date, as is the iOS on the iPhone 4S...
Thanks very much in advance for any help!
Kindest regards,
Mark

I have this same issue: When I add an event on my iphone, it does not show up on icloud.com - it worked fine in the past and I haven't changed any settings. I verified the icloud calendar settings on the phone (default calendar etc..) - I tried to turn calendar icloud sync off and then back on but to no avail. help.
Iphone 4s with most recent OS>Windows XP> Firefox

Iphone 6 calendar issue - not displaying "invitees"

I have iphone 6, "invitees" does not display as an option to invite people to an event on my calendar. I selected "edit" from an event on my calendar, have "start, end repeat, end repeat, travel time, alert, second alert", but no "invitees" .. how do I get it to display?

You need the correct type of calendar account to use invitations.
From the iPhone User Guide:

Iphone 4 Calendar Issue

Suddenly my Calendar on my Iphone 4 is formatted in the month display to show the weeks as Monday thru Sunday as opposed to the traditional Sunday thru Saturday. How do I get this back to normal?

Gerir Fuso Horário/Time Zone Support
Off/On Phone

IPhone to Exchange calendar sync issues

OK, I have read through many posts on here, but have yet to find a post that describes my situation. If someone has seen this answered in other places, please let me know.
I currently have the following setup:
iPhone 2.2.1, using OTA sync with Exchange
Entourage 2008 (not Outlook/Windows)
Exchange server 2007 (at work, I am not the guy who runs it)
My mail and contacts work fine.
CALENDAR issue for me is something I can't quite wrap my head around:
I get syncs fine for calendar when accepted through Entourage - but when they are updated by the original senders I get multiple entries for every event showing up on my phone (the old events aren't removed). In addition, my phone does not sync back to the Exchange server when I accept invitations, nor when I create entries in my calendar.
Thoughts?

This problem is only something I've had problems with recently. Previously entries in the Calendar would sync OK regardless of where they were created or accepted. So appointments I logged on the road into the phone would work back into Exchange and onto Entourage.
Two things have changed. Our Exchange server was upgraded and how has Active Sync which means I now get push notifications which is great. I've also gone up to the 3.01 software on the iPhone.
Now, it seems I am ONLY getting push from Exchange to the iPhone. Calendar entries from Entourage appear on the phone.
Any calendar entries created on the phone or invites accepted on the phone stay on the phone. They are not synced back to Exchange and onto my Entourage calendar.
As someone who is office based for only a few days a month, effective Calendar sync is vital.
If the problem is with the OS update on the phone then this fix needs to be part of 3.02. If the problem lies with the Active Sync setup then I need some instructions to go back to our Sys Admins with.
Thanks!

IPhone battery issue - exchange calendar sync the primary suspect

I previously posted about very poor battery life and how a full re-install and reset seemed to fix the issue. The battery life was great for a week or so then I tried to go from my calendar on .me to my calendar on exchange. Then the issues re-appeared.
I am 99.9% sure that calendar sync via exchange is the issue. I am not sure if it's a funky server setting that my company has or what. It seems to work fine for others in the company however my e-mail account at work is relatively old compared to theirs. I am also on a Mac using Entourage. I made sure push was turned off and only fetch every hour. Still the same issue.
Again there is no battery drain when synching via iCal/.me. This kind of defeats the purpose of push calendar for me because I need to synch Entourage with iCal then iCal with .me. This means I need to be on my company network to sync. So the only time my calendar syncs is when I have my laptop on the company network.
The reason I'm writing is in hopes that someone from apple reads this and posts a fix. The CPU gets noticeably hot when exchange calendar sync is on so I know something is up. If you have any more info on this please let me know. I am also going to try the apple store tomorrow. Maybe it's a defective phone BUT since it works for everything except Exchange cal sync I am thinking it is some server/client polling issue.

I KNOW THIS IS lONG, BUT PLEASE TAKE THE TIME TO READ IT.
OK - After about 5 hours of troubleshooting I have FIGURED out why my battery was lasting only 3.5 hours. I hope this helps.
1. completely wiped the phone away and brought it back with push disabled. EVERYTHING FINE
2. I enabled push waited 1 hour. EVERYTHING FINE
3. I enabled mail push syncing. EVERYTHING FINE
4. I enabled contacts push syncing. EVERYTHING FINE
5. I enabled calendar and BAM battery starting spinning in overdrive. The calendar was the issue.
6. I disabled push and to my surprise it did not get better, only after a reboot did the batter return to normal. OK - so I have narrowed it down to the calendar.
7. I am using Outlook 2007 with Exchange 2003.
8. I took a bold step and archived my entire calendar to a pst file so it left nothing in the calendar.
9. Again to my surprise the battery started draining immediately when i enabled the calendar again. On a hunch I checked the properties of the calendar and it said there was a few kb left. I could not do anything to find these.
10. I logged into Outlook web access (http://exchangeservername/exchange - if enabled) and did a search on the calendar and it found two orphan calendar entires. I deleted them.
11. I enabled calendar syncing again and it went perfect. I then copied back all of my calendar entires from the archive pst to the calendar and luckily no problem.
The push service must have not known how to process these two entires and was just chocking on it. For the last two weeks I have been getting 12-14 hours from a charge with 3-5 hours of use. Farb better then the 3.5 hours with no usage. I hope this helps!!

IPhone 4 Calendar Entries: List Display Issue

I believe a derivation of this issue has been posted a handful of times already, but I wanted to add to the pile in the hopes that Apple addresses a calendar bug. My iPhone 4 is running OS 4.2.1, and I sync my calendar with Microsoft Outlook 2007 via a PC.
Recently I've noticed that when changing time zones, the "List" view of my iPhone calendar has trouble displaying the proper date of appointments when they are entered or changed in the iPhone directly. Two "Tue Nov 30 2010" gray bars will suddenly appear, for example, and previously entered appointments for that date will scatter amongst these two sections haphazardly.
Interestingly enough, when clicking into "Day" or "Month," these entered appointments will display properly. It appears, then, that this issue is only present in the "List" view.
Somewhat bizarrely, these sections in the "List" view will compress back into one (as normal) when the offending appointment is deleted on the iPhone. Moreover, when new appointments are entered via Outlook and synced with the iPhone, the calendar displays as normal in "List" view.
This issue has plagued my phone for a handful of months now when I transition time zones, but only recently has it not reset itself upon syncing with my computer. This leads me to believe that the issue may have been exacerbated by OS 4.2.1. For what it's worth, time zone support is "off" on my phone (meaning appointments display in local time).
Any help you can provide with this issue is appreciated.

Good to hear that I am not alone.
I have the same problem (for some time now, not just 4.2.1). I have tried deleting my calendar and resynching with Exchange with a reboot in between (as suggested in another problem report), but that does not help.
For me the problem started when I started bidirectional synching with Exchange (updates on iPhone are sent to server and updates on server are sent to iPhone, immediately in both directions) -- as if the iPhone calendar list search does not work well because the entries are "remote" (actually stored on Exchange server?).
There are similar quirks with Contacts but Calendar List Search is unusable!

Exchange Calendar iPhone Sync

We have been experiencing an on going issue with a user who's Exchange Calendar will not fully sync on his iPhone. The calendar events update correctly in both Outlook and on his iPad but not the phone. Both the iPad and iPhone are running the latest version of iOS. In the past we resolved the issue by recreating the sync partnership with the device on the server itslelf and also by removing and adding the calendar back to the phone. Both fix the issue for 3 - 4 weeks on average before it happens again.
The Exchange server itself is running the latest rollups. We have other users with similar set ups but the issue has only been reported by one user. Are there any iPhone settings I may be missing that we could try? This user relies heavily on his meeting information to be accurate to work and it has created several issues for him.
Thank you,
Chris

I've run into this a lot lately. Being sure to check both the default calendar in Settings - Mail, Contacts, & Calendars and the Calendars tab in the Calendar App after resyncing the Exchange account; the issue seems to repeat itself a few days or a week later. It's not happening with all of our end users, but enough for me to think it has something to do with iOS 8.1.2 (or at least 8.1.2. on the 5S). Clicking on the Calendar app, Calendars, and Hide all Calendars, and then Show All Calendars and done, seems to fix (essentially toggling Hide All Calendars off/on). I've been using this for two weeks, and so far so good. I will update if the issue rears its' ugly head again.

Exchange calendar sync issues among iOS devices and Mavericks

When I add an event to a shared Exchange calendar on my Mac in iCal, and mark it as All-Day, that designation does not appear with the event on my iOS devices. Instead, it's given a 24-hour duration from 12 to 12, so to speak. Here's the confusing part: If I edit the event on my iPhone to correct it as All-Day, it does not sync that All-Day designation to my iPad. Additionally, if I then make the same correction on the iPad, toggles it on the phone and removes All-Day. Removal of All-Day designation on a device does remove it on the Mac calendar, which I then have to change back. So I chase it around in a circle and end up with the correct duration on only one iOS device. The difference in All-Day and 24 hours duration does matter graphically as many of these events run for several weeks or months. All-Day keeps them confined to the upper section of the calendar graph rather than muddying up the lowerm hourly appointments.
Any ideas on how to rectify the problem?
I'm running Mavericks, iOS 7.0.3 and using MS Exchange 2010.

There are several other posters on the Forums that are having issues with Exchange sync'ing with Mavericks. It could be that your all-day verses mutli-hour issue may be among them.
Most of the problems that people are seeing, including myself, are more to do with Mail and Calendar simply not synchronizing.
My Mail.app INBOX for my Exchange server is now several hours behind my iOS and Windows Outlook instances. Calendar appointments are simply not being pushed to the server (though they seem to be retrieved OK).
So, sorry for now help on this one directly, but you are not alone.

IPhone/Exchange Calendar issue

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