Network Issues With VMware VM’s On Dell r520, r710 and r910 Servers

When using Dell servers in the following range: Dell r520 Dell r710 Dell r910 You may find that your VMs have networking issues (lost packets, slow response times, missed pings, etc.). To fix this, disable Virtual Machine Queues TCP/IP/UDP Offloading (TOE) on each virtual machine.
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Sysinspectoidwmi Module Stopped – vCenter Configuration Manager on Server 2012 R2

When installing vCenter Configuration Manager on Server 2012 R2, you will find that you get an error saying that: The Sysinspectoidwmi module has stopped Or something along the lines of the Sysinspectoidwmi stopping. This is because vCenter Configuration Manager requires .Net 3.5 Framework to be installed on Windows Server 2012 R2, otherwise the Sysinspectoidwmi module […]
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Cannot Complete Operation Due To Concurrent Modification By Another Operation – VMware

When making a modification to a VMware VM’s settings, you get this error: Cannot complete operation due to concurrent modification by another operation. You get this error because another operation is modifying the VM you are trying to modify. In other words, another user or process (some sort of virtual machine management software?) is making […]
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What Is VMware Misc.SIOControlFlag2?

What is VMware Misc.SIOControlFlag2? Misc.SIOControlFlag2 is used by VMware ESXi hosts to keep track of Storage IO Control (SIOC) usage. If you’re not using SIOC, then the setting doesn’t have any impact on your environment. If you are using SIOC, then Misc.SIOControlFlag2 is used by the vCenter to know about the activity on volumes from hosts (specifically, it […]
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VMware ESXi 5 Cannot Detect SD Card In HP BL460c G8

When installing VMware ESXi on an HP BL460c G8, the SD card can’t be detected. If your SD card can’t be detected by ESXi during installation, this is because you have set the HP Power Profile to Maximum Performance. To fix this, change the profile back to the default and the SD card will be […]
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Error Connecting To VMware vSphere Update Manager – Database Temporarily Unavailable

After installing the VMware Update Manager plugin you get this error: vSphere Client There was an error connecting to VMware vSphere Update Manager – [xxxx.local:443]. Database temproarily unavailable or has network problems. This is because the VMware vSphere Update Manager Service is set to run as the Local System and this account doesn’t have permission to […]
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Permission To Perform This Operation Was Denied – VMware Converter

When trying to select a source machine to convert in VMware Converter, you get this error: Permission to perform this operation was denied. To fix this, either: Add the user account running VMware Converter to the Local Administrators group on the server running VMware Converter Close VMware Converter. Right click VMware Converter and click Run […]
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Connect To Platform Failed – VMware Capacity Planner

When trying to connect to a Windows server using VMware Capacity Planner, you can get this error: Connect to platform failed To fix the Connect to platform failed error: Try restarting the Remote Registry service on the remote server Try connecting to the server and running perfmon, then try adding a performance counter. You may […]
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A General System Error Occurred: Authorize Exception – Vmware vSphere Client

When you try to log into vCenter 5.1, you get the following error: A general system error occurred: Authorize Exception This is typically related to SSO when logging on with a domain account. To fix this, try the following: Ensure that the vCenter server is connected to the domain Re-add the vCenter server to the […]
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