Tag Archives: esxi

VMware E1000e vmnic Windows Server 2012 data corruption

Found this yesterday: http://kb.vmware.com/kb/2058692 “On a Windows 2012 virtual machine using the default e1000e network adapter and running on an ESXi 5.0 or 5.1 host, you experience these symptoms:¬† Data corruption may occur when copying data over the network.¬† Data … Continue reading

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vSphere: Convert RDM to VMDK and vice-versa on Windows VM with no downtime

This method will work for non-OS disks (so not your C drive), and will not require the server or application to go down during the process. You need a version of Windows that supports software RAID, which includes all versions … Continue reading

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Posted in Storage, vSphere, Windows | Tagged , , , , , , , , , , , , , , , | 6 Comments

Host disconnected in vSphere client II

Here’s another nice vSphere issue, and how to fix it. One of my ESXi 5.0 hosts was showing as disconnected in vSphere client. I tried to reconnect to it by using the right-click Connect option. This took a while, then … Continue reading

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Active Directory authentication for ESXi host management

This was not as straightforward as I’d hoped. Apparently¬†(see video – ugh, why not bullet points?), you just add the host to AD, create an Active Directory security group called ESX Admins, stick the users in the group and voila, … Continue reading

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Posted in vSphere | Tagged , , , , , , , , , , | 2 Comments

VMware ESX/ESXi issues with Broadcom 5719 quad port Gb NIC

I’ve got some new servers with Broadcom quad port 1Gb Ethernet NICs in, model 5719. Nine of the servers are running ESX 4.1 update 2 502767, one is running ESXi 5.0 update 1 623860. Two servers have experienced this issue. … Continue reading

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Posted in Networking, vSphere | Tagged , , , , , , , , , , , | 40 Comments

VMware vSphere Security

What a can of worms this topic seems to be. I suspect it’s mostly because of the stepping on toes that VMware environments cause to medium-to-large size organisations, i.e. those that are big enough to have separate network and server … Continue reading

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Posted in Uncategorized, vSphere | Tagged , , , , , , , , , , | 1 Comment

Dell R720 E5-2690 and VMware EVC Mode Sandy Bridge

This isn’t actually specific to either a Dell PowerEdge R720 or an E5-2690 CPU, any system with an E5-2600 series CPU will likely be in scope of this post. The trick to getting your VMs to change their EVC mode … Continue reading

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VMware ESX 4.1 install onto Dell R720 via iDRAC 7 Enterprise

Bit of a fiddle as the ISO of ESX 4.1 update 2 does not contain any suitable network drivers for the R720. This causes it to fail. On other servers, at least the onboard NIC has been detected, so I’ve … Continue reading

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Posted in Hardware, vSphere | Tagged , , , , , , , , , , , , , , , , , , | 5 Comments