I have a user that connects through a Sonic Wall firewall that uses something called NetExtender that creates an SSL VPN tunnel to the corporate network. He then opens up Outlook and he can send and receive mail just fine, but he always gets the following
20:39:34 Error synchronizing folder
20:39:34 Network problems are preventing connection to Microsoft Exchange.
20:39:34 Microsoft Exchange Information Store
20:39:34 For more information on this failure, click the URL below:
20:46:51 Microsoft Exchange offline address book
I am not familiar with how the NetExtender works, but was looking more for why he can contact the server fine for sending and receiving, but for some reason the OAB has problems. I am going to contact someone that should have more info about the netextender but would like to be able to point them in the right direction on what might be the problem and what Outlook needs that it isn’t getting.
On a side note I had the user come into a totally different VPN device in a different office and his outlook/oab connected fine. So something seems to be blocked when using the netextender.
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