Below script which was created for a unique requirement with us for migrating our 6.0 vcenter to 6.5 appliance. Since we have planned for complete refresh of the hardware along with vCenter server. we have not used vCenter migration assistance https://blogs.vmware.com/vsphere/2017/01/vcenter-server-appliance-6-5-migration-walkthrough.html We have two vCenter environment with different set of hardware, we had around 25 … Continue reading PowerCLI to Migrate VMs across vCenter servers
Hello Friends, Yet another issue I have faced recently on updating the server VM IP address through powerCLI without running console or remote in to server. Situation was we were moving our existing production VMware environment from one hardware solution another, vmotion of the VM from one vCenter to another failed for few servers due … Continue reading PowerCLI :: Update VM IP Addresses without runas administrator
Issue: Windows 2012 R2 server not loading to Desktop, server boot loop to Windows Recovery Console & Driver fault error 0xc0000099 Cause : EMC powerpath driver corrupted, missing or not loading Fix : Initial Trouble shooting Steps: Boot the server in Safe mode and Last Known good configuration - Still going in to "Preparing to … Continue reading Windows 2012 R2 server boot loop to Windows Recovery Console!
What is Powershell Desired state configuration? Powershell DSC is a declarative model of system configuration management Microsoft released along with Windows 2012, but enhanced and matured on Windows 2016. In other word, you will be able to specify how you want a computer or servers to be configured and leave it to Powershell and the … Continue reading Introduction to Powershell Desired state Configuration (PowershellDSC)
Windows 2016 Containers are an isolated, resource controlled and portable Operating environment irrespective of the application and operating configuration that on host server Operating environment. Such containers have existed for a long time on Unix-like operating systems, but their usage for application deployment increased following the release of Docker as an open source project in … Continue reading Windows 2016 containers for portable application environment
Folks, I have been facing this issue very random on our Windows server 2016 Virtual machines running on VMware platform. Interestingly, none reported the same to Microsoft (as mentioned by the assigned technician) Here what we found out, (all credits to http://www.happysysadm.com/2010/11/disk-is-offline-because-of-policy-set.html) 2 possible caused behind this behavior, How VMware virtual machine disk file presented … Continue reading Windows Server 2016 VMs Disks are not getting online after reboot
Windows Server 2016 new features and enhancement.. Agenda: Licensing change Server Editions Nano servers Server Walkthrough Containers IIS 10.0 PowerShell 5.0 Active Directory Fail-over Clustering Please post questions for more!
Friends, I just want to share one script I have created recently, not quite interesting but obviously played its significance to my case. This script report and alert any hardware issue with UCS server environment, which was quite easy to report it through UCS central or UCSM environment however it is tough to identify the … Continue reading UCS (Cisco) Hardware fault/error Alerts (Using power tool)
As far as I am concerned, the biggest challenge for a VMware administrator is storage related issues and its troubleshooting. As title said, it is not a trouble shooting steps. There were numerous storage issues and troubleshooting steps varies case by case. It will be tough to go through all of those. Below article just … Continue reading VMware ESX Storage Troubleshooting
Hello Friends, As far as I am concerned this is one of the most toughest part of my job till today. There is no perfect answer of an actual performance issues. Mostly some assumptions and correlating reports from some of the below tools give a fade view of what actually happening in terms of High … Continue reading Memory Leak and utilization troubleshooting tools and usage!