Azure Virtual Machine cannot connect to Internet addresses following update on 8/7/2014

I've got a Windows Server 2012 virtual machine running in Azure that prior to system updates that were rolled out last week could connect to Internet addresses such as Yahoo.com without issue. I do not currently have any virtual networks configured for this
Azure tenant nor have I modified any of its network settings, so the VM was making the connections with its default network configuration. On August 7, 2014 I rebooted the virtual machine to apply some required system updates to the operating system, and following
that reboot the VM could not longer connect to the Internet. I am able to lookup domains in DNS, but cannot ping those domains from the command line or open web sites via a browser.
I've released its IPconfig via the command line and rebooted the server multiple times, both from within a remote desktop connection and from the Azure Management Portal, but these actions have not resolved the issue.
Are there additional configuration steps I need to take to reconnect this VM to Internet sites, or has something changed which requires me to make further changes?
Thank you,
John
MCITP and MCTS: SharePoint, Virtualization, Project Server 2007
My books on Amazon: The SharePoint 2010 Disaster Recovery Guide and
The SharePoint 2007 Disaster Recovery Guide.
My blog: My Central Admin.

Just to close this out, I've been able to resolve the issue. It looks like somehow a Windows Update changed the proxy server settings in Internet Options on the server, and that was preventing traffic from successfully leaving the server. Once I removed
that setting, the issue was resolved.
MCITP and MCTS: SharePoint, Virtualization, Project Server 2007
My books on Amazon: The SharePoint 2010 Disaster Recovery Guide and
The SharePoint 2007 Disaster Recovery Guide.
My blog: My Central Admin.

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--- 172.27.13.254 ping statistics ---
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Azure Virtual Machine cannot connect to Internet addresses following update on 8/7/2014

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