Visual studio online connection timeout errors


I have setup Teamcity in AWS. I connected it with Visual Studio online Git repo using alternate credentials.
Everything was working great until yesterday afternoon.
I don't remember making changes to my VS Online git project but I am not getting this error.

Failed to collect changes, error: List remote refs failed: Connection time out:

I have tried resetting the alternate credentials but it has not fixed this issue.

Let me know if you have any suggestions.


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I will answer my own question in case any one else runs into the same issue.
I have Network accesss list and Security groups applied on the subnet and host where TeamCity was running in EC2 instance.
I looked at the VPC flow logs and found and IP address.
I did a reverse lookup and found that IP address belong to MSFT Chicago where my Visual Studio Online was hosted.
After fixing the network access list everything is working.


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