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Blog posts : "powershell"

VMware PowerCLI Connect-VIServer Object reference not set to an instance of an object

While connecting to ESXi server with VMware PowerCLI from one of my server I was keep receiving below error. I wasn't able to connect to ESXi server directly from PowerCLI module. 

@SERVER01 ~ Connect-VIServer ironman.vcloud-lab.com
Connect-VIServer :  Object reference not set to an instanc…

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Automate Many-to-One client certificate mappings for IIS hardening using PowerShell

Recently while talking to one of my colleage from another department, he wanted help on PowerShell scripts to automate few IIS Webserver (Internet Information Services) advanced configuration where he was struggling setting few IIS settings of manyToOneMappings for hardning purpose, other setting…

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Configure a Azure VM with Desired State Configuration in Automation Account

While working on one of the Azure Automation Accounts project I had to test and provide a demo of Desired State Configuration (DSC) on the Azure Virtual Machine, how it can be useful. There was a client requirment to not to use Group Policy for hardening, but the configuration must be done through D…

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Powershell GUI VMware ESXi custom patch bundle builder

Every time VMware releases ESXi patches, and I need to patch them on different projects with few modifications to patch bundle, by trimming down few driver VIBs packages or add third party driver vibs zip files packages. I do everything with PowerCLI commands. But as I wanted my colleage to perform …

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Create an Azure Automation account on using Portal PowerShell and AzureCLI

Azure Automation Account is Azure resource allows you to automate tasks against services and resources in Azure, on-premises and with other cloud providers such as Amazon Web Services (AWS). You can write and use runbooks to automate your tasks, or a Hybrid Runbook Worker if you have business or ope…

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Azure Powershell : Operation returned an invalid status code 'BadRequest'

While working on few Azure Powershell scripts I was keep receiving an error 'BadRequest' whenever I was trying to create a new resource in Azure. I kept on trying to resolve an error but didn't find any proper solution to it. Initially the message was not much friendly so to dig down further I went …

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Export certificates from Azure Key Vault using PowerShell

While working with Azure Key Vault Certificate Create Azure Key Vault Certificates on Azure Portal and Powershell, Next requirement was to download those certificates from Key Vault. On the Azure Portal choose the SSL Certificate you want to export. Click buttons Download in CER format or Download…

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Create Azure Key Vault Certificates on Azure Portal and Powershell

I had one requirement to create a SSL certificates on Azure Key Vault, I have Key Vault already deployed with earlier written articles Create key vault and secrets with access policies in Microsoft Azure. I just wanted to create new SSL certificate in it so using managed Identity In the the future…

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Solved Powershell DSC Error A configuration is pending If you are in Pull Mode please runn Update-DscConfiguration

While working on few Powershell DSC (Desired State Configuration) script and pushing it on remote computer using Start-DscConfiguration command, but I was constantly receiving below error.

A configuration is pending. If you are in Pull mode, please run Update-DscConfiguration to pull a new co…

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Get Azure virtual machine backup reports using Powershell

I found my junior colleague are gathering Azure virtual machines backup report manually so I thought to write and pull Azure Virtual Machine Backup (Recovery services vault) report including Backup status and Summary using Microsoft PowerShell script to ease the task.

To check the current backup…

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Get the list Azure Reservation Catalog with PowerShell and AzureCLI

I wanted to design Azure Reservations solution, before desinging the solution I wanted to fetch Reservations catalog list (SKUs) available in the specified subscription for a location, so I can create a presentation and pitch to client which available reserved virtual machine we can use. This below …

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VMware PowerCLI The remote server returned an error: (407) Proxy Authentication Required

"The remote server returned an error: (407) Proxy Authentication" - This is another issue I faced when working with VMware PowerCLI, Although I had already resolved another error in VMware PowerCLI Connect-VIserver Could not connect using the requested protocol, Only the difference was it was not …

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Powershell get the list of Azure Reservations Virtual Machines instances

As I was working on the Azure Reservations - PowerShell List All Azure Resverations. There was another requirement to provide the list of Virtual Machines usage under Azure Reservations by clients (which VMs are utilized under reservations), earlier another team was doing it manually to get the r…

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PowerShell List All Azure Resverations

Recently in one of the Azure project my client was utilizing Azure Reservations Instances (Azure RI) they wanted a Microsoft PowerShell script from me to pull the list report. Below is the screenshot of all configured reservations on the Azure Portal.

Microsoft Azure reservations All succeded scope subscription VM RI Virtual Machine Powershell az.reservations module subscription cost optimization.png

To work on Azure Reservations with Power…

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Configure vCenter 7 Profile from PowerShell GUI

While working on POC of new feature VMware vCenter Server 7 Profiles, as there is no GUI available to configure it. At the moment of writing it can be only consumed and configured with Rest APIs. Although Rest API can be configured from vCenter Server developer center > API explorer, but it is not…

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VMware vCenter Server 7 Profiles with PowerShell

There is new feature introduced with VMware vSphere 7.0 and it is completely different from the ESXi host profiles. vCenter Server 7 Profiles feature allows you to list profiles, export vCenter server configuration from one vCenter server and then import and validate on another destination vCenter S…

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Get started and configure certificate-based authentication in Azure

Connecting SSL certificate based login to Azure can help increased authentication security, if you maintain certificates very well. In my case I wrote few scripts and I wanted to automate  Azure. As my user account is configured with MFA (My scripts scheduling was failing due to this) and I didn't w…

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How to view the service principal of a managed identity in the Azure portal, Powershell and AzureCLI

After enabling/deploying managed identity (service principal) on VMs, one of my junior colleague questioned me, where is service principal of managed identity is stored. Basically Service Principal (MSI) is a user account (Service Account ) and it is created under Azure Active Directory, but after f…

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Use a Azure VM system assigned managed identity to access Azure Key Vault

While working one of the Azure project, I had a requirement to implement System Assigned Managed Identity to access Azure key vault secret programatically on Azure virtual machine inside the code without azure login. In my earlier written articles, to retrieve secret password from Azure Key Vault I …

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Create an Azure App registrations in Azure Active Directory using PowerShell & AzureCLI

This is step by step guide to configure App Registration on Azure Active Directory (AzureAD). This guide includes three ways to create App Registration using Azure Portal, PowerShell and AzureCLI. 

Azure Portal

Within Azure AD portal you will find the App registrations pane that provide the …

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