I was able to get IE 7 to login to our iCal server by disabling the  
setting "Enable Integrated Windows Authentication" under tools ->  
internet options -> advanced tab -> security section. I can find no  
similar setting for Outlook.

Greg Cole
System and Database Administrator
University of Oregon School of Law
1221 University of Oregon
Eugene, OR 97403
(541) 346-3933

On Mar 18, 2008, at 4:25 PM, Chad McDonald wrote:
> Edwin,
>
> Sorry it's taken me awhile to get back to you on this.  I had the  
> same issues that you do.  From what I can tell it's an issue between  
> Windows and the Apple iCal server implementation of CALDAV.  From  
> what I've been gathering it doesn't have much to do with Outlook or  
> the open connector plugin.  Try this:
> Can you login to http(s)://yourcaldavservername:8008 using IE (6 or  
> 7, it doesn't matter) on your test windows machine?  I could not.  I  
> even tried setting the iCal authentication method to "any method" in  
> Sever Admin with no luck.  Mozilla firefox on windows authenticates  
> and can browse to calendar files on http(s)://mycaldavservername:
> 8008 just fine.  There is something in IE which is also then used by  
> Windows that prevents us from correctly authenticating to an Apple  
> iCal server.  What it is  I don't know but I know that is why when  
> you try to "browse" for calendars using the open connector plugin it  
> errors out with authentication failure messages.  Hope this helps a  
> little, sorry I don't have better news for you.  I'm not sure who  
> needs to update here M$ or Apple or maybe both, but I'm going to  
> report the issue to both parties and hope for the best.
>
> I'm copying the Open Connector List on this message as well in case  
> it provides help for any others out there struggling to make this  
> work with Apple's iCal server. Hope you don't mind.
>
> Chad McDonald
> Compucraft Service Consultant
> 616.454.3442
> chad@comp...
> http://www.compucraft.net
>
>
> <cc_logo-sm.jpg>
>
> On Mar 12, 2008, at 11:55 PM, Edwin Bien wrote:
>
>> Hello Chad
>>
>> Please forgive me for emailing you but I am looking for assistance  
>> with outlook connectivity to iCal server.
>>
>> I see from your posting on the list you experienced authentication  
>> issues.
>> I am having similar issues.
>> Our configuration is leopard server with open directory enabled. I  
>> get “not authorised” errors.
>>
>> Were you able to resolve this issue and if so may I ask what your  
>> resolution was?
>>
>>
>> Again Sorry for the intrusion
>>
>> Edwin
>>
>>
>> Edwin Bien
>> IT Support
>>
>> ZOO
>> 82 Wentworth Ave Kingston ACT 2604 Australia
>> Phone: (02) 6260 8777  Fax (02) 6260 8778
>> email: emkb@zoog...
>> www.zoogroup.com.au
>>
>>
>> NOTICE – The information transmitted is for use of the intended  
>> recipient
>> only and may contain confidential or legally privileged material.  
>> If you are
>> not the intended addressee, please notify the sender immediately  
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>> sender's personal views and opinions, which do not necessarily  
>> reflect those
>> of ZOO.
>>
>
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