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Is it possible to open a shared calendar using office 2007 when using a pst file for primary mail storage

I have recently started rolling out Office 2007 to replace 2003 installs in my office.

I have found that a user using 2007 wanting to open a Shared Calendar for booking a room resource must be using their mail server account as the primary mail store.
If they are using a pst file instead, the 'open shared folder Calendar' option vanishes.

The room resource calendars resides on our exchange 2007 server (not in a pst file). Whether or not a user is using a local pst file shouldnt make a difference!

Does anyone know of a work around for this problem?
I believe that Microsoft deliberately disabled this feature; something about sharing pst files being a problem.
However we are not trying to do that so there must be a solution that doesn't involve ditching the use of a pst files.

Any ideas would be appreciated!


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Trying to work out whats being explained at the top.

From what I gather you have a user thats not using an Exchange account and wants to open a shared calendar of a user that does have an Exchange account or vice versa?

kiwiplanAuthor Commented:
Sorry, let me try to clarify.

All my users have exchange accounts.

Some use pst files some don't.

Users that don't use pst files (i.e. leave their mail on the mail server) have an option in outlook 2007 under Calender called 'Open  a shared calendar'.
Users that use pst files don't have this option.

My question is, does anyone know if it is possible to enable this option for users that use pst files or if there is any work arounds...
Not that I am aware of.
PST as delivery location basically means they are working 100% offline, they cannot do any collaboration. I would encourage you to switch those users back to Mailbox as the delivery location so that their email is backed up centrally. If the email is of any value then you will not want to use PST files at all.

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kiwiplanAuthor Commented:
Hi Mestha,

Thanks for you comment.

I agree with what you've said in that this is a design choice (all be it, an odd one) that Microsoft has made where collaboration is limited to only when using on server storage .
My problem is I have a number of roaming users who are need access to email when they have connectivity and when they don't; who also need to function fully when they are in the office, i.e. be in a position where they can book resources and see shared calendars.
So its not possible to move them away from the use of PST files. I agree with your point on backups though!

The main point of this post is to see if anyone else out there has a creative solution for this. There must be numerous companies that have run into this issue.


The fact that you have roaming users does not mean you have to use PST files.
That is what cached mode is for. Full operation of the mailbox online and off. When the machine connects to the server any changes are synchronised back.

I would go as far as to say that PST files are a bad idea for roaming users. By their very nature they are moving around, which increases the chances of the machine going walkies, and with everything stored in a PST file, that email is gone. You have no backup of it.

kiwiplanAuthor Commented:
That's a good point, thanks, I hadn't considered using cache mode.  I'll have to have a look into it.


kiwiplanAuthor Commented:
Looks like caching mode is the only solution here. Way to go MS, change something just because you can!
I'm going back to Office 03!

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