Unable to Ping the Virtual machine "Could not find the file specified" While starting the IPSEC services"

Symptoms :
========== Unable to ping the Virtual machine from another VM in the same subnet. Unable to ping the default gateway. Purpose :
========== To be able to connect to the Network. To be able to connect to the domain Network. Cause :
======== - Checked the Eventviewer Logs and found that we were getting error messages related to IPSEC service. - Checked the services.msc and found that the IPSEC service was not started. - Error : "Could not find the file specified" While starting the IPSEC services.
Resolution : ===========

• To resolve this issue, followed these steps:
• Rebuild a new local policy store. To do this, Click Start, click Run, type regsvr32 polstore.dll in the Open box, and then click OK.
• Verify that the IPSEC Services component is set to automatic, and then restart the domain controller.
• Restarted the Virtual machine and was able to connect to the network.

More Information : 

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Followed following Knowledgebase : http://support.microsoft.com/kb/912023