It looks like Exchange 2013 CU2 does not pass all form elements to the Exchange 2010 CAS server when proxying an OWA connection. It is supposed to pass whether the user has selected a private or public workstation, however it appears that it always
submits the setting as public or does not submit anything at all. This was discovered b/c users were not able to access attachments when their OWA connection was being proxied. Once the directfileaccessonpubliccomputersenabled was set to true on
Exchange 2010 OWA virtual directories, suddenly they were able to access attachments. Is this a known issue? Can it be added as a bug? Has anyone else run into this issue? I would prefer not to leave the public setting enabled, but
have no choice at the moment.
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