Tag Archives: esxi

VMware E1000e vmnic Windows Server 2012 data corruption

Posted on 2013/10/29 by rcmtech

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

Posted on 2013/04/23 by rcmtech

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

Posted on 2012/10/04 by rcmtech

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

Posted on 2012/08/21 by rcmtech

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

Posted on 2012/08/15 by rcmtech

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

Posted on 2012/08/03 by rcmtech

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

Posted on 2012/07/23 by rcmtech

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

Posted on 2012/07/12 by rcmtech

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