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User installed Xamarin and was the unable to access client's SAP box via VPN. Would get the following SAP error: wsaewouldblock : resource temporarily unavailable
"I can’t tell you which module of the Xamarin installs caused the problem as I’ve uninstalled everything that was installed (Xamarin Studio, Android SDK, Java, Virtual Box, etc).
It was one of these. After I’m finished with the current work for the client I will try installing Xamarin again bit-by-bit to see if I can isolate the program that causes it.
But my guess is that something are closing a comm port that SAP wants to use. One guess is port 3202 or 3602."
We don't really have any code blocking the ports you listed. I've seen similar issues with software like Virtual Box which you mention you have installed.
Please let us know if you have any extra information/repros that may help relating this to Xamarin bits.
I'll tentatively resolve this bug as fixed, as it might be some issue with the old Build Host. Currently we only require an open port for SSH (22 by default).
But please feel free to reopen the issue if you're still facing it with latest bits.