Exchange 2003/2007 free/busy and Outlook 2003/2007

I'm in the middle of an Exchange transition and I'm having issues with free/busy information. When I schedule a meeting appointment and I use one of the resource mailboxes, a conference room, I cannot see information about existing appointments. However, if I add myself as a resource delegate for that resource mailbox, I can see the information about existing appointments while making a new appointment. Any ideas why? Am I missing something? Thanks,
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bnditAsked:
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endital1097Connect With a Mentor Commented:
exchange 2007 allows you to set permissions for free/busy information
with exchange 2003 i believe they need publishing editor or higher permissions
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endital1097Commented:
what you are seeing is the difference between the versions of exchange and outlook
outlook 2003 always utilizes the public folder to retrieve free/busy information
outlook 2007 with an exchange 2003 mailbox also uses the public folder version
outlook 2007 with an exchange 2007 mailbox will utilize the new availabilty service

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bnditAuthor Commented:
@endital1097 - I'm with you on the difference between Exchange and Outlook versions and how the Outlook client retrieves free/busy information. However, I don't think that's my problem...if anything, Outlook 2003 would be delayed by the ~15min interval that Outlook 2003 takes to query free/busy info from the PF database while Outlook 2007 would be more up-to-date on the free/busy info. My problem is that as soon as I remove myself as a resource delegate of that mailbox I lose the descriptive information about existing meeting...to prove that I went ahead and removed myself as a resource delegate from the same resource mailbox I used to upload the screenshots...see that it's the same behavior as the Outlook 2003 case...just a purple bar indicating that there's a meeting and that's it.

Any other ideas?
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endital1097Commented:
what version of exchange is the resource mailbox on?
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bnditAuthor Commented:
Exch 2007.
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endital1097Commented:
You need to login to the resource mailbox and set the default calendar permission to free/busy time subject location
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bnditAuthor Commented:
Interesting...I tried your suggestion and that worked for mailboxes that are homed on Exchange 2007 but not for Exchange 2003 mailboxes...I checked the default public folder database for all the Exchange 2003 and 2007 databases and they all point to the Exchange 2003 public folder replica during the transition period.

Any ideas?
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bnditAuthor Commented:
Ok, so if I follow you how do I grant publishing editor or higher permissions for everyone who has a mailbox in Exchange 2003? By the way, I just proved that if I move the mailbox from 2003 to 2007...that mailbox has no trouble seeing the free/busy info as expected..so I think you're onto something here.
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endital1097Commented:
it is definitely a calendar permission, and you don't set it for everyone, just for Default
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bnditAuthor Commented:
So should I change the Default from "free/busy time subject location " to "Editor" (or whatever permission necessary)? Now, this would be for the interim until I'm done moving all the mailboxes over to Exchange 2007 in the next month or so.
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bnditAuthor Commented:
Ok, I changed the permission for Default to "Editor" and it works. Thanks for all the help.
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bnditAuthor Commented:
thx
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