Tuesday, May 8, 2018

Intermittent response from Azure server when connected via AnyConnect VPN

Currently working with a client who are moving a software licencing server to Azure. Software lives on desktop and needs to reach a licencing server and get a response before it will run.

When at a client location it works with no issues, but when accessed from a laptop connected via AnyConnect VPN this very often does not work and when it does the response is very slow when it should be more or less instant.

Any advice on trouble shooting this? I'm inclined to think MTU related, but pcaps i have received from client machine do not show any signs of fragmentation(if i would be expected to see them from there)

Note, i have no access to the Azure side of things at all



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