Upgrade from vSphere 5 to vSphere 5.1 – Part 5

Before you start

[box type=”warning”] ESXi 5.1 requires vCenter server instance in version 5.1 and vSphere VMware Update Manager in version 5.1. You must install or update these components in this order: vCenter server , VMware vSPhere Update manager before ESXi upgrade to version 5.1[/box]

Step # 5 Upgrading to ESXi VMware vSphere 5.1 from ESXi 4.1 and ESXi 5.0 using VMware vSphere Update Manager.

Upload ESXi 5.1 ISO image to vSphere Update Manager and create upgrade baseline
  • Download vSphere ESXi5.1 installable  ISO (VMware-VMvisor-Installer-5.1.0-799733.x86_64.iso) from VMware download page
  • Log in to vCenter server via vSphere client and from home screen go to VMware Update Manager configuration panel
  • Import ESXi 5.1 ISO image into vSphere Update manager – from main VUM screen click on ESXi Images –> Import ESXi Image
  • Browse to location with ESXi 5.1 ISO image and click Next
  • Wait a few minutes to complete upload
  • Click Next to create upgrade baseline – provide baseline name and click Finish.
  • New baseline appear in Baselines and Groups tab

Attach baseline to cluster or host and perform orchestrated upgrade
  • Switch view to Host and Cluster, click on Cluster or host, from Update manager tab click attach, choose upgrade baseline and click attach

  • Click on host or cluster and from Update Manager tab remediate hosts

  • for next screen choose upgrade baseline, hosts and click next
  • accept license agreement and click next
  • depends on use case, from next screen you can either choose to leave third party software or remove it
  • type task name and continue and schedule time
  • specify maintenance options

  • specify Cluster Remediation options, mark below options:
    • Disable DPM
    • Disable FT
    • Disable HA
    • Migrate powered off or suspended machines
  • Click next and Finish

Upgrading using vSphere Update Manager is on few way of upgrade ESXi hosts:

Step #4 – upgrading VMware vSphere Update Manager

Step #6 – Upgrading vSphere Web client in vSphere 5.1


Artur Krzywdzinski

Artur is Consulting Architect at Nutanix. He has been using, designing and deploying VMware based solutions since 2005 and Microsoft since 2012. He specialize in designing and implementing private and hybrid cloud solution based on VMware and Microsoft software stacks, datacenter migrations and transformation, disaster avoidance. Artur has been in IT industry since 1999 and consulting since 2008. Artur holds VMware Certified Design Expert certification (VCDX #077).