Aug 16 2017

PowerShell Script: Report-VMWareVMs

I’m working on migration of a few hundred VMs from VMWare to Hyper-V and one requirement I have is to take a snapshot of the current VMs configuration in VMWare for future reference for after we decommission the VMWare environment. Collecting VM specs, virtual disk information, network MAC addresses, etc… for hundreds of VMs using …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/08/powershell-script-report-vmwarevms/

Aug 14 2017

PowerShell Script: Convert-VMWareVM

In the past couple of days, I have been busy working on a new script to automate migration of VMs from VMWare to Hyper-V, or more precisely to System Center Virtual Machine Manager (VMM). You may ask why on earth would I use a script to “automate” a function that already exists in VMM and …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/08/powershell-script-convert-vmwarevm/

Jul 31 2017

PowerShell Function: Copy-VMFolder

Hyper-V in Windows Server 2016 and Windows 10 came with some very cool features that makes interacting with VMs easier than ever. The ability to copy files into a VM directly from host is such a blessing. The Hyper-V Module now includes the cmdlet copy-VMFile which can copy any “File” from the host to a …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/07/powershell-function-copy-vmfolder/

Jul 20 2017

Hyper-V Dynamic Port Distribution and f5 Load Balancer

Recently I got involved in a mysterious case. Hyper-V VMs face intermittent issues when communicating with f5 hardware load balancer. Let me first describe the network architecture and symptoms, VMs, load balancer, and load balanced services are in the same VLAN and subnet. The case we are working on is SMTP, so we can test …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/07/hyper-v-dynamic-port-distribution-and-f5-load-balancer/

Jun 29 2017

Migrate from NIC Teaming to SET in Windows Server 2016 and VMM

So you just upgraded your Hyper-V hosts to Windows Server 2016 and read about the new Switch Embedded Teaming (SET) switches and how they make life all roses and butterflies. In this post, we will discuss how to migrate from the traditional teaming in previous versions of Windows Server to the amazing SET virtual switch …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/06/migrate-from-nic-teaming-to-set-in-windows-server-2016-and-vmm/

Jun 29 2017

Ping all VMs in a Hyper-V Cluster

In a perfect world, everyone trusts that their VMs are working properly if Hyper-V or VMM are reporting that it is in a running state. However, sometimes we need to double check things using the most basic tool, PING! In this post, we will walk through a few PowerShell snippets that do the following, Finds …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/06/ping-all-vms-in-a-hyper-v-cluster/

Jun 07 2017

VMM is unable to refresh Hyper-V hosts

Error (2916) VMM is unable to complete the request. The connection to the agent 'srvhv5.example.com' was lost. WinRM: URL: [http://srvhv5.example.com:5985], Verb: [ENUMERATE], Resource: [http://schemas.microsoft.com/wbem/wsman/1/wmi/root/standardcimv2/MSFT_NetAdapter], Filter: [] Unknown error (0x80338126)

I recently had to endure a painful issue with VMM and Hyper-V while working on a VMWare to Hyper-V migration project. First let me tell you about the architecture, 2 Hyper-V clusters made of Lenovo blade servers. Each cluster in its own enclosure. 1 VMM cluster with 2 nodes as VMs. One node on each …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/06/vmm-is-unable-to-refresh-hyper-v-hosts/

Feb 25 2017

Service Manager Complex Approvals Tutorial: Part 2 – Service Manager: Creating the Service Request

This is the second part of a 6-part post about creating a Service Request with complex approvals in Microsoft System Center Service Manager. The parts are as follows, Introduction. Service Manager: Creating the Service Request. (This Post!) Orchestrator: Check and update Service Request. Coming Soon! Orchestrator: Monitor Review Activity and Custom Approval. Coming Soon! Orchestrator: …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/02/service-manager-complex-approvals-tutorial-part-2-service-manager-creating-the-service-request/

Feb 06 2017

Orchestrator Runbook: Select Domain Controller with Minimum PS Sessions

Many of the Runbooks I have connect to domain controller to perform an activity using a PowerShell script, and usually this means multiple instance of the Runbook may be running at the same time. These Runbooks require the FQDN of the domain controller to work on. Two challenges lie there, Load balancing: I want to …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/02/orchestrator-runbook-select-domain-controller/

Jan 28 2017

Service Manager Complex Approvals Tutorial: Part 1 – Introduction

I have been playing around with Microsoft System Center Service Manager and Orchestrator lately. The two applications are always better together and you cannot really master one without the other. In this multi-part blog, I will share some of the stuff I learned during the past couple of months. In the form of a multi-part …

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Permanent link to this article: http://almoselhy.azurewebsites.net/2017/01/service-manager-complex-approvals-tutorial-part-1-introduction/

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