How to Resolve Number of Virtual Devices Exceeds the Maximum for a Given Controller

I believed most of system administrator and vmware administrator experiencing these issues when cloning a virtual machine on ESXi vCenter server.

Symptoms
Cloning process fails at approximately 90% with error message:

    Number of virtual devices exceeds the maximum for a given controller
    

Solutions:
1. Make sure there are no CDs or ISOs mounted to the VM
2. Make sure that the source machine has been Power off before the clone to get a clean copy.
3. Clone the virtual machine again, without selecting the Edit Virtual hardware (Experimental)option.
4. Finish

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References:
1. www.extropy.com
2. kb.vmware.com

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