Mailbox Auto-Mapping in Exchange Server 2010 error

Hi Guys,

We are running Exchange 2010 in our environment and client machines running Outlook 2010.
We have shared multiple mailboxes using Full Access and Send As permissions for specific users, however the automapping doesn't work and comes up with error shown in picture. "the set of folders cannot be opened" outlook 2010 error
Strangely enough, if I add mailboxes manually to the profile itself, then I can access the shared mailbox just fine. I have read some articles on technet that you can use Exchange Shell to disable automapping, however, we just want auto-mapping of mailboxes to just work without any errors.
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Md. MojahidCommented:
Regarding the issue, I suspect the issue is related to Outlook profile or Windows profile. I suggest you login on the user’s mailbox on another machine for a test.
Also, please try the suggestions from the link below:
manav08Author Commented:
@Md. Mojahid,

I forgot to mention but the issue exists for all users and already tried creating new profile. It is not a profile issue
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Md. MojahidCommented:
then you should check ssl certificate.
manav08Author Commented:
our certificate is valid till 2016 and is a self-signed certificate. Can you prove that a proper SSL is needed??
First make sure all Office are updated as well as your Exchange.

Also, make sure you are not trying to access a mailbox that is in another server than exchange 2010.

Usually if your main user mailbox is on 2010 and the other mailbox(es) are on a 2007 or 2003 server/database you won't be able to open those until you move them to 2010.
manav08Author Commented:
I have to acknowledge that I havent tested the solution yet, but happy to award points for effort
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