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Can Mac 10.6.1 sync iCal remotely?

I use Mac 10.6.1 on my office iMac and on my MacBook Pro. The iMac is connected to Exchange server 2007. On my office iMac, iCal displays three calendars: Work, Home and Projects. When I am away from the office and on wifi, iCal displays these three mailboxes in a section whose title is my exchange email address. Above that are two more calendars called Work and Home. Which of these calendars should I use when out of the office to be sure they get on the Exchange calendar. Sometimes I get a message that the event can't be added and asks me if I want to revert to the server.
Also, I know I can use owa to see the exchange calendar, but I am assuming that 10.6.1 will sync calendars and address book both while in the office and away. Is that true of Mac OS 10.6.1.

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  • jerryp50 Sep 13, 2009

    Sorry, but I don't want to use Entourage. It has a lot of problems, included duplicating entries.

    I want to use the features of 10.6.1. My address book syncs both ways and so does my mail. I am sure iCal does as well but I have not been able to get it to do so.

  • jerryp50 Sep 14, 2009

    Many thanks. This was very clear and helped explain that I really have a hiccup with exchange server. Mail and address book work fine, but not iCal. It shows very well on my notebook what is on the exchange but will not accept changes remotely.



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1. You should use the calendars Work, Home and Project. Because these calendars are the one who's connected to the Exchange server 2007.

2. This is regarding the error "Event can't be added", which calendar are you trying to modify (Work, Home or Project)? Are you the one who created these calendars? If not, there could be a possibility that you don't have the right permission to edit that specific calendar.

Now if you know that you have the "Owners" permission, you were able to modify that calendar before and the error is sporadic, then there's a hiccup on the Exchange Server. It could be the ISP (connection problem) or the e-mail provider.

3. YES, it is TRUE that both Calendar and Address Book should sync with 10.6.1 even if you're away from your office.

If you have more questions about Exchange, please let me know.

Posted on Sep 14, 2009

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Solution 1: Use Microsoft Entourage.

Entourage is a part of Microsoft Office for Mac. It is a Mac version of Outlook. It will allow you to manage your mail and calendars well. You can even synchronise your calendar with iCal! Automatically!
Just go to Entourage>preferences, and select Sync Services.
Now, on the right, you can ask Entourage to synchronise your calendar with iCal. This will create an additional calendar in your iCal called Entourage. It gives you three options.

  1. Take verything from Exchange and put it into iCal,
  2. take everything from that special calendar in iCal and put it into Exchange,
  3. Merge the calendars, and make sync work both ways.

If you want to book a room, you can do it with Entourage. If you just want to notify your colleagues that you are not available for a meeting every workday from 1pm to 2pm, just create a recurring appointment called "Lunch" and they will know you are busy.

If you are happy with this solution, go for it! It will even synchronise with your iPhone! Thanks for coming, and you know how to make a blogger happy - read carefully what Google guys suggest to you in the right part of the page.

Now, why I don't like Entourage.

First of all, I just love iCal and I do not want to use Entourage, even though I get it for free through the site license.

Second, the current version of Entourage was written years ago, when Macs were made with PowerPC processors. Those processors spoke a different language to what Intel processors speak. If you run Entourage (which is written in the ancient language of PowerPC) on you shiny new Intel Mac, you use a translator with a Rosetta Stone (go and find what it is in Wikipedia, it is interesting). The point is that the translator is slow. And iCal is written in plain English, oops... in plain Intel, and it works natively.

Third, Entourage can only synchronize your calendars while it is running. You cannot say it synchronize, and go on using iCal and alone. You still need to run Entourage. Though, you can run it hidden, press Command-H when Entourage is open and it is now hidden.

Fourth.... I do not like Entourage. I do not want to support Microsoft... I want everything to be simple....

We all hope that Microsoft will update their Office for Mac early next year, and hopefully some of my problems will be resolved. I am not sure, though, if it is worth the money people pay for it.

Oh, if you are a representative of Microsoft marketing, please, contact me and I will let you know what I want for Christmas.

If you are still with me, than you are probably looking for an alternative, so there you go:

Solution 2: Use GroupCal from Snerdware

The guys have made quite a job. It really works! Everything I ever wanted. Though, it does not work under Leopard.... yet...
Go and see for yourself:

I would be happy, but...

  1. It does not work with Leopard.... yet...

  2. The way you see other people's free/busy time, and if the room is available is not nice. How I wish it worked just exactly like iCal in Leopard promises...

  3. I do not have a site license, and my Boss will tell me to go and use Windows. So, paying $55 from my own pocket is unpleasant. Please, fix the problems and make it a 20...

So, I went on went on with my investigation

Solution 3: Use open standards! Like iCal Server!

Oh, if you are powerful enough, you can save yourself quite a buck by not using Exchange at all! Go for CalDAV solution which will do everything you ever waned for free. It will work seamlessly with iCal in the end. And remember, iCal Server is open source, you can install it on one of your Macs for free. Whatever Apple charge for OS X Server, they charge it for the convenience of seamless installation. Contact the (smart) tech support.

This was not an option for me... so I went on and discovered another twisted solution.

Solution 4: iCal to Google Calendar to Outlook to Exchange. All aboard!

Bad news - you won't be able to see busy/free time of other people, and you still have to pay $50.
Good news - it will also synchronise with Google Calendar, and even send you SMS with notifications if you want.

The solution consists of two parts. The first one is to use magical Spanning Sync. This is a little program which will synhronize your iCal with Google Calendar. Works like a charm. Go for it even if you do not want anything else. Leopard compatible. Best program you can buy for your Mac, and just $25 for a year.

The second part is to use SyncMyCal tool from on a Windows machine. I have enough of old computers I can hide in a cupboard at work which will run a scheduled synchronisation of Google Calendars with my Exchange...

Well... maybe Entourage is not all that bad after all... This is a really twisted solution. I am not going to use it.

Solution 5: Use Outlook Web Access

This is a web application to access your mail and calendars on the Exchange servers. Many companies have it. Clumsy and awful... I will use it only if I have no other choise whatsoever.

Solution 6: Do it the geeky way
Here is how:

I have to admit that I never tried this idea. Tell me if it works for you.

Solution 7: Hosted services

There are a number of synchronisation services, free and commercial, which will allow you to synchronise your calendars across different platforms. I have tried these:
  • Xchange network
  • ScheduleWorld

The main problem with these is that I do not want my calendars to be hosted somewhere else. I do not want even a potential breach of my privacy.

Not to say that any free/busy time sharing will not work.

Nonexisting Solution: CalDAV connector to Exchange

This is what I would like to see. I want to have a CalDAV server, like iCal Server from Apple, able to fetch all the data from Exchange. This has to work transparently, as if I am using CalDAV.

The project itself does not sound impossibe. There are open source CalDAV implementations. There is Evolution Exchange Connector, an open source client for Microsoft Exchange. The final step is to make a transparent implementation of CalDAV server which talk to Exchange. Everyone will be happy then.

If you are a developer, and you can make this happen, then please, do! Make it cheap, like $20-$30, and you will sell a ton of copies. Send me a cheque for the idea if it works out well. Seriously, contact me if you are interested in this development, I can contribute to requirements. We can make millions happy.


I ended up printing out my calendar and sticking it to my door. People have to ask me if I am free at any particular moment, and I will check with my iCal. I do not synchronise with Exchange.

Posted on Sep 13, 2009


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