Just a quick note to share my experience in NIC teaming algorithm with 2012 R2 hosts and Hyper-V and hopefully dispel some myths.. Many documents/blogs recommend the load balancing algorithm to be Dynamic by default. In my experience this is not the optimal configuration. For NIC teams that are
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Azure Connector for WAP(Pheonix) fails to create VM “Error in CheckCheckVmCreation()”
Another quick one (becoming a habit..) In deploying and testing Azure Connector for Windows Azure Pack found here, deploying a virtual machine can sometimes fail with an obscure status message of: “Error in CheckCheckVmCreation()” This is because the parameters of the resource creation are rejected.
Read moreNVGRE Rebuild – Warning 26926
Had a quirky one recently where by a client was rebuilding a NVGRE gateway (as per this post) failed with the below warning. Warning (26926) Unable to set up Remote Access server to support multi-tenancy mode. (Remote Access server and the host are not configured for multi-tenancy.
Read moreSCVMM DataSize Property
Quick Tip!! So I was asked to create a custom property that gives a quick overview of the total size for the virtual disks on a VM So, leveraging of my DataStore script, I came up with the below.. Enjoy Note: This assumes you have created your custom property already
Read moreHyper-V 2012 R2 NVGRE Gateways Rebuild
Fast publish… will revisit later Scenario: Existing NVGRE gateways manual deployed. Working fine for ages. NAT resources failed to come online HyperV Network Virtualization Gateway role failed FOCM below Cluster resource xxxxxxxxxxxxxxxxxx of type ‘Nat’ in clustered role ‘HyperV Network Virtualization Gateway’ failed The Windows NAT Driver service
Read moreWAP – Deploying a VM Role, some VM’s prompt for product key
Simple one that new WAP users often miss when deploying VHD’s for VM Roles. When deploying a VM role with multiple instances, some instances get stuck during deployment with the VM waiting for a product key to be entered. Although the solution is clearly discussed here on TechNet I find that
Read moreQuick migrate multiple VM’s using PowerShell
As users of System Center Virtual Machine Manager would know, trying to quickly live migrate multiple VM’s can be a slow and tedious task. Whilst I always recommend to user of VMM to use the Migrate Virtual Machine function or the Start Maintenance Mode options, sometimes I need to react
Read moreMigrate Logical Networks from VMM to VMM with PowerShell – The Export
Fast publish! Had to migrate logical networks from an existing VMM 2012 instance into a new shiny VMM 2012 R2 deployment. This is the export from the existing VMM. The import script will follow shortly: Import-Module virtualmachinemanager # all Logical network definitions $LogicalNetsdef = Get-SCLogicalNetworkDefinition Foreach ($def in $LogicalNetsdef){
Read moreDeleting Virtual Network fails due to assigned IP address – SCVMM
Had a request today where a tenant was trying to delete a virtual network but they received an error saying there were dependent IP addresses but they have no IP addresses listed in the network. Using my current favourite PowerShell feature, Out-GridView, we can quickly script the revocation of the
Read morePhysical, Logical & Virtual Networks in a Microsoft Cloud OS Environment
I had to give an overview of our Cloud OS network topology to our support and engineering guys to help them understand at high levels how it all fitted together. The below diagram hopefully demonstrates the 3 layers – physical, logical and virtual – and more importantly how the fit
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