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Updating existing VMWare Hypervisors from 5.5 to 6.0/6.7

I need to update 2 existing VMWare Hypervisors to 6.0/6.7 from 5.5.
I was planning to update Host1, power down and relocate my 4 Virtual Machines to Host1 and then update Host2 to minimise my business downtime.

Has anyone done an update similar and discovered problems along the way?

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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

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Dariusz Tyka

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Hi there Dariusz - yes I do have a vCenter Server Appliance 6.5 installed. I've also just discovered that Andrew is quite correct the existing hypervisor USB memory drive that I have are only a 2GB size and it doesn't look like it will be big enough. Other than that we are all listed on the VMware HCL for the severs I have but will have to source a larger sized USB drive that will work for our Lenovo Servers.
Version 6.0 and up has got a lot hungrier in its storage requirements.
Ideally I had hoped that we would be refreshing our server infrastructure this year and simply migrating my VMs to a new environment. Sadly they don't think they can afford it. :(
I'm not sure that they can afford not to do it but I'm not writing the cheques.

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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

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Thanks Andrew :)

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NB - A further update.
I have learned today that the Lenovo x3650 M4 Servers that we use do not support VMware 6.0.
It looks like we will be paying for extended support until they can afford to put in new servers.
Very disappointing.