vSphere 5.5 B Released

Don’t let the quiet times of the holiday’s fool you! vSphere 5.5 was released on 22-December 2013! vSphere 5.5 has seen the following release sequencing:

  • VMware ESXi 5.5 22-Sept Build 1331820
  • VMware vCenter Server 5.5 22-Sept Build 1312298
  • vCenter Server Appliance 5.5 22-Sept Build 1312297
  • VMware vCenter Server 5.5.0a 31-Oct Build 1378901
  • vCenter Server Appliance 5.5.0a 31-Oct Build 1398493
  • VMware vCenter Server 5.5.0b 22-Dec Build 1476387
  • vCenter Server Appliance 5.5.0b 22-Dec Build 1476389
  • image

    (Click on image for Released Notes of 5.5.0b)

On Halloween we had vSphere 5.5 A come out. If you have not started your vSphere 5.5 upgrade, start with the B release; then do the hypervisor updates for ESXi.

VMware KB 2057795 has good upgrade information.

2 responses to this post.

  1. Posted by Daniel Schmidt on January 24, 2014 at 9:07 am


    I am running vCenter 5.5 Original Build, when upgrading to 5.5b do i have to update the SSO too or just the Web/Inventory and Vcenter?


  2. Hi Daniel – I would upgrade the SSO engine as well, for one, you’ll not be excluded from any new features and another, it is the first thing a support case may indicate.

    Check out these two KBs:




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