Unable to power on VM in vCenter server 6

Today while working in my home lab I faced one weird issue. I deployed a new machine from ovf template and after deployment I was not able to power on the VM. It was failing with error

A general system error occurred: No connection could be made because the target machine actively refused it 



I was scratching my head that what could be wrong with the virtual machine as the deployment from ovf went smooth without any issues.

On googling for the error I came to know that vCenter workflow manager service should be running else most common operations will fail. I quickly checked my vCenter services and found that service was stopped. It was set to manual and service never came back online after last reboot of my vCenter Server.


Once service was restarted there was no issues with VM power on.



I hope you enjoyed reading this post. Feel free to share this on social media if it is worth sharing. Be sociable 🙂


About Alex Hunt

Hi All I am Manish Kumar Jha aka Alex Hunt. I am currently working in VMware Software India Pvt Ltd as Operations System Engineer (vCloud Air Operations). I have around 5 Years of IT experience and have exposure on VMware vSphere, vCloud Director, RHEL and modern data center technologies like Cisco UCS and Cisco Nexus 1000v and NSX. If you find any post informational to you please press like and share it across social media and leave your comments if you want to discuss further on any post. Disclaimer: All the information on this website is published in good faith and for general information purpose only. I don’t make any warranties about the completeness, reliability and accuracy of this information. Any action you take upon the information you find on this blog is strictly at your own risk. The Views and opinions published on this blog are my own and not the opinions of my employer or any of the vendors of the product discussed.
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One Response to Unable to power on VM in vCenter server 6

  1. Sitender says:

    in my case, on a similar issue, even work flow service was unable to start after reboot. Solution was to change permission on Windows\Temp folder to allow write permission to everyone.


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