Why Oracle 11gR2 not supported on Virtual machine

Dear All,
I have googled this topic and have found various view from different people.
I just need to know solid reason for why Oracle do not support VMWARE. I am not talking about Oracles VM Virtual Box but the others.
Will highly appreciate your suggestions.
Regards,
Imran

Hi Imran,
The Oracle support policy states that “Oracle will only provide support for issues that either are known to occur on the native OS, or can be demonstrated not to be as a result of running on VMware.” This statement may
create a perception that customers are somehow at risk, but the growing number of customers virtualizing Oracle on VMware have chosen to do so after carefully weighing the benefits against this implied risk.
VMWare believe that three considerations are especially relevant to this assessment:
• You can evaluate the risk by considering the following facts:
––VMware does not modify the native OS, so the solution Oracle provides for the native OS is fully expected to work for that same OS running on VMware.
––VMware has received no reports of incidents in which vSphere was determined to have caused a technical issue in the Oracle application or database.
––At worst, Oracle might ask a customer to reproduce the issue on a physical server, particularly if Oracle’s solution does not work. This request is seldom made, and even in the physical world Oracle reserves the
right to request reproduction on different physical hardware in this situation.
• You can negotiate the terms in your support agreement with Oracle and insist that Oracle provide you with the support commitment that meets your needs, including support for Oracle products running on vSphere.
Some industry analysts have stated that it is commercially unacceptable to have policies that are difficult for Oracle customers to locate on Oracle’s Web site and that are changeable without notice.
• VMware has its own policy to support customers running Oracle applications on VMware, available at https://www.vmware.com/support/policies/oracle-support.html. If required, VMware will take ownership of
the support request and pursue rapid resolution, in collaboration with the Oracle support organization through TSANet as needed. Because VMware customers virtualize all types of Tier 1 applications, we have
significant expertise in making this a seamless support experience.
We are running many mission critical systems in VMware products.
Provide your email id, I can send you the good white paper on Understanding Oracle Certification, Support and Licensing for VMware Environments
With Regards,
Sai

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