17.09.2018 · 19 th September 2018 will be the end of general support for VMWare vSphere 5.5, this also includes vSphere Hypervisor ESXi 5.5, vCenter Server 5.5 and vSAN 5.5. In order for customers to preserve their full level of support and subscription services, VMware recommends that any customers using vSphere 5.5 upgrade to a newer version, between vSphere 6.5 and …
VMware provides several ways to upgrade ESXi hosts with version 6.5 and version 6.7 to ESXi version 7.0. The details and level of support for an upgrade to ESXi 7.0 depend on the host to be upgraded and the upgrade method that you use. Verify that the upgrade path from your current version of ESXi to the
27.08.2021 · ESXi 5.5 does support vCenter. vCenter 7 does not support ESXi 5.5 (or 6 for that matter). vCenter 6.5 can manage ESXi 5.5 hosts. vCenter 7 can manage ESXi 6.5 hosts. Therefore you would have to upgrade to vCenter and ESXi 6.5, an then again to 7 to avoid downtime. Edited Aug 23, 2021 at 15:48 UTC
02.06.2020 · Upgrading from 5.5 to 7.0 is unfortunately not supported, see VMware Product Interoperability Matrices.. Also remember to verify that your hardware is supported for the new version before installing ESXi 7.0 on them, especially if this is a production environment.
Here’s high level: Bring up a new 6.5 VCSA. Remove each individual host from the 5.5 vCenter and add it into the new 6.5 VCSA. Upgrade each host to ESXi 6.5. Upgrade/replace 6.5 VCSA with 7.0 VCSA. Bring in new 7.0 ESXi hosts and vMotion VMs to them. Decommission old 6.5 hosts.
24.05.2021 · Certainly when upgrading a host from ESXi 5.5 to 7.0. I was wondering whether a datastore has to go through 6.5 to get to 7.0. I don't know the answer there. Also need to confirm you can vMotion from iSCSI to FC. Not sure about that.