A general runtime error occurred adding host – VMware vCenter and ESXi

Symptoms: When attempt to add a new vSphere host to vCenter, an error appears after entering the host credentials: “A general runtime error occurred” You clicked YES on the certificate prompt. You have a cluster with EVC enabled, and you are attempting to add the host to that cluster You are using vCenter 6.0 , …Read More…

VMware vSphere ESX and vCenter Upgrade 5.5 to 6.0 or 6.5 or 6.7 best practices

Tips, tricks, and missing steps for the VMWare upgrade Having done several small / medium business upgrades from vCenter and ESXi 5.5 to 6.0 and 6.5 and 6.7, I wanted to share some best practices and lessons learned with the IT community. Table of Contents Upgrade from 5.5 to 6.7 cannot be performed in one …Read More…

How to fix vSphere and vCenter datastore reverting to old size

Symptoms: You increased the size of a datastore in the past, but now when you open vCenter, you see the old (smaller) size displayed.  There may be low disk space warnings. Web client for vCenter 6.5  and vSphere 6.5  and probably vCenter 6.0 and vSphere 6.0 If you refresh the datastore information, the correct size …Read More…