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Connections through VPN are often slow because VPN uses the slow side of a standard DSL type network connection. <br />
<br />
If you have Auto Discover set up (and you probably do), try running Outlook without connecting to VPN. It should still work.
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Connections through VPN are often slow because VPN uses the slow side of a standard DSL type network connection.

If you have Auto Discover set up (and you probably do), try running Outlook without connecting to VPN. It should still work.

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John,<br />
<br />
Thanks for the response,yes outlook is working fine without VPN infact with good perfomance,we are using VPN for some services not for outlook anywhere,during this time when users connect outlook its very slow.<br />
<br />
My question is ,can we do something to improve outlook perfomance when connected through VPN?
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John,

Thanks for the response,yes outlook is working fine without VPN infact with good perfomance,we are using VPN for some services not for outlook anywhere,during this time when users connect outlook its very slow.

My question is ,can we do something to improve outlook perfomance when connected through VPN?

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You are very welcome and I was happy to work with you.
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You are very welcome and I was happy to work with you.

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Dear All,<br />
<br />
We are using Exchange 2013 ,our users are complaining when they are using outlook anywhere from external network its working fine,but when they connect outlook after connecting to company's VPN the outlook anywhere connectivity is very slow or it does not connect at all.<br />
<br />
what could be the reason?as i am not able to get any clue where to start troubleshooting this issues
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Dear All,

We are using Exchange 2013 ,our users are complaining when they are using outlook anywhere from external network its working fine,but when they connect outlook after connecting to company's VPN the outlook anywhere connectivity is very slow or it does not connect at all.

what could be the reason?as i am not able to get any clue where to start troubleshooting this issues

Outlook anywhere connectivity slow on VPN

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.