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outlook: cannot open your default e-mail folders. You must connect to MX Exchange ...




I've set up a VM Exchange server for an exam I have monday.


I've installed outlook on a windows client. When I start outlook for the first time my name and email address appears correctly in the Add new account wizard.

Then I get some certificate warning (no certificates configured yet), I click yes to proceed. Then the wizard says the email accunt is succesfully configured. So far so good. Wizard Finishes. Outlook starts.


Then I get this error:

Cannot open your default e-mail folders. You must connect to Microsoft Exchange with the current profile before you can synchronize your folders with your Outlook data file (.ost).






I have this error on all my clients for all profiles I tried.


MX Server:


windows 2012

exchange 2010



windows 2008r2


client vm:

windows 7 x32

outlook 2010. didn't work with 2013 either.



Anyone have an idea? It would be much appreciated. I've googled on this and found some stuff but nothing worked.


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you checked that to user have mail box on exchange server ? if yes please remove OST file from app data folder or remove profile of users in client after that try to open again account in Client

please check connection of client to EX server


i wait for answer

thank u

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What was the outcome for this ? deleting the ost and profile worked ? because its not working for me ..

the weird thing is that when i setup my domain admin account locally, it worked fine, but a normal user wont work i get the above error.

another thing is that i can access all account via webmail with no issues, its only local outlook client.


please help.

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