Upgrade SeriesvSphere 6.5vSphere Guides

How to upgrade ESXi 6 to ESXi 6.5 Step by Step

In this post we will see on how you can easily upgrade from ESXi 6 to ESXi 6.5 via ISO. ESXi 6.5 includes some of the new security features which improves the overall security of the virtual machines running on them. ESXi 6.5 comes with the whole new Web client which can be used to manage the ESXi server directly from any of the web browser. So now you don’t have to install the vSphere Client on every machine you can directly access the ESXi web client from any browser.

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Upgrade process is very simpler you just require is ISO of the ESXi 6.5 so that you can upgrade it. If you don’t have ISO you can download it from the VMware website. Before upgrading to ESXi 6.5 make sure that you check for the compatibility of the physical hardware which will run the ESXi 6.5. If hardware is not compatible then you might not be able to install or you will face issues while running. Also check for the storage compatibility with ESXi 6.5.

If you haven’t installed ESXi 6.5 yet then check this link for How to Install ESXi 6.5 Step by Step?

Now let’s start the Upgrade process.

Step 1:
Mount the ISO to the Server.
Reboot the Server.


Step 2:
Press Enter to continue with the Installer.


Step 3:
F11 to Accept the License Agreement & continue.


Step 4:
Choose the Appropriate storage device for the Installation.
Press Enter to continue.


Step 5:
Here make sure to choose the first option only “Upgrade ESXi, Preserve VMFS datastore.”
This will upgrade the ESXi from 6 to ESXi 6.5.
Press Enter to OK.


Step 6:
Press F11 to confirm Upgrade to start the upgradation process.


It will take the few minutes to complete the upgrade process. You will get below screen to after the upgrade is complete.


As you can see in the above image Upgrade is completed. Now we need to reboot the server once. Press Enter to reboot the server to make changes.

After reboot you will see that your ESXi 6 is upgraded to ESXi 6.5. So now you can verify all the Network configurations, Storage Devices & other settings which you have done. In this way you can easily upgrade the ESXi 6 to ESXi 6.5 via the ISO method.

Checkout Our Posts on vSphere 6.5:

How to Install ESXi 6.5 Step by Step ?

How to Install vCenter Server 6.5 Step by Step ?

How to Install VCSA 6.5 Step by Step ?

Checkout Our Posts on vSphere 6.5 Upgrade Series:

How to Upgrade vCenter Server 6 to vCenter Server 6.5 Step by Step ?

How to Upgrade VCSA 6 to VCSA 6.5 Step by Step ?

How to Upgrade vCenter Server 6 to vCenter Server 6.5 Step by Step ?

How to Migrate vCenter Server 6 to VCSA 6.5 Step by Step ?

How to Update or Patch VCSA 6.5 Step by Step ?

That’s it for Today Friends. I Hope you liked reading this post & If you find anything more to be added or removed feel free to write it in our comments. If you find it useful You are Feel free to share this on social media to help others & spread knowledge.
If you have any query on any thing you are free to write it in our comments section & we will make sure to provide you the better solution as soon as possible.

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Mayur Parmar

Hi I am Mayur Parmar. Independent Author & Founder of Mastering VMware. I am working in IT industry for more than 4 Years with knowledge of VMware , Microsoft Server's, Linux Server's.

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