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Month: July 2012

Cannot install the vCenter agent service. Cannot upload agent

During a recent change ticket in a non-production environment I was called into an All Paths Down (APD) situation on some ESXi hosts. For those who do not know what an APD is, it is when an ESXi host loses all paths to its shared storage. The ESXi hosts impacted in my particular case were hosting several virtual vCenter Server (vCS) instances. The virtual vCS VMs were being used by a group of developers for SOAP calls in order to provision, modify, and delete VMs. Once all the vCS instances had been recovered and vSphere client sessions verified that the instances were operational, the instances were turned back over to development. The developers immediately began complaining about SOAP commands failing to the vCS instances.
What was going on?