Cannot click vSphere Client Security Warning dialog buttons


I met the same issue described in this VMware KB, unfortunately none of the solutions worked for me. Symptoms When logging in with the vSphere Client you see a Security Warning dialog with a message similar to:An untrusted SSL certificate is installed on "<hostname>" and secure communication cannot be guaranteed. Depending on your security policy, this issue might not … Continue reading Cannot click vSphere Client Security Warning dialog buttons

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Update Emulex 10G NIC driver (be2net) in ESXi 5.X


We have a IBM HX5 with ESXi 5.0 update 3 installed. The blade frequently encounters the purple screen issue. For most time, it is PF relevant errors, but Today it has some new - Spin count exceeded. I have run the hardware diagnostic tool multiple times, but caught nothing. But I still think it is … Continue reading Update Emulex 10G NIC driver (be2net) in ESXi 5.X

Convert Lazy Zeroed Disk to Eager Zeroed Disk


We plan to build a new file server cluster by utilizing couple existing Windows 2012 R2 in the VMware 5.5 farm. According to the VMware KB, the system drive has to be created with Eager Zeroed  disk, I think the reason is to have low disk latency otherwise the high disk latency may lead to failover. The … Continue reading Convert Lazy Zeroed Disk to Eager Zeroed Disk

ESXi datastore with corrupted partition table


My colleague told me that he always failed to vmotion virtual machines to a particular datastore. The error message does not have much information, it just says the virtual machine files on the destination datastore is not accessible even the vmotion has not started yet.I found some relevant information in the vmkernel log: 2014-03-26T04:36:20.189Z cpu28:6188)NMP: nmp_ThrottleLogForDevice:2318: … Continue reading ESXi datastore with corrupted partition table

Fail to quiesce a virtual machine while taking snapshot


The issue was firstly caught by TSM. The backup job of a virtual machine failed and the log shows 02/22/2014 04:09:37 ANS4015E Error processing 'virtual-machine-name': unexpected TSM error (115) encountered.My understanding is that the first step of TSM backup is to take a snapshot. So I tried to manually take a snapshot of the running virtual … Continue reading Fail to quiesce a virtual machine while taking snapshot