Troubleshoot a Broken Azure VM using Nested Virtualization in Azure (Managed Disk)

Please note that 3rd party virtualization software(s) for Windows 2016 Nested Virtualization feature is not supported. Only Hyper-V is currently supported. Also note that as of right now, Nested Virtualization is only available in the following geographic locations: US -West 2 -East Europe -West Asia Pacific -Southeast Reference Links: Nested Virtualization in Azure New DV3 and EV3…

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Troubleshoot a Broken Azure VM using Nested Virtualization in Azure (RDFE)

Please note that 3rd party virtualization software(s) for Windows 2016 Nested Virtualization feature is not supported. Only Hyper-V is currently supported. Also note that as of right now, Nested Virtualization is only available in the following geographic locations: US -West 2 -East Europe -West Asia Pacific -Southeast Reference Links: Nested Virtualization in Azure New DV3 and EV3…


Troubleshoot a Broken Azure VM using Nested Virtualization in Azure (ARM)

Please note that 3rd party virtualization software(s) for Windows 2016 Nested Virtualization feature is not supported. Only Hyper-V is currently supported. Delete the Broken Virtual machine Create a new Recovery VM OS: Windows Server 2016 Datacenter Size: Any V3 series with at least 2 cores Same Location, Storage Account and Resource Group as the Broken VM Select…

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Windows Boot Error 0xC0000001 (ARM)

Reason for TSG:  The VM screenshot shows error 0xC0000001. This is due to a BCD corruption Suggested Fix: 1) Delete the broken VM and attach it to a recovery machine 2) Open up an elevated CMD and gather the current booting setup info and document it on the case. You will see that on the…


Linux Boot Error: Emergency Mode! (RDFE)

Reason for TSG: Boot diagnostics screen shows VM booting into Emergency Mode   Suggested Fix: 1) Before proceeding with Step 2 ensure you have an recovery VM located in the same Cloud Service, region and the same version (Or distribution) as the impacted VM. If you do not, create that new machine now. 2) Once…


How to Perform an In-Place-Upgrade in Azure (Windows)

At this time there is no way to perform an in place upgrade of virtual machines running one version of Windows to another. For example, upgrading from Windows Server 2012R2 to Windows Server 2016 from inside the Guest OS is not supported.   In order to upgrade the machine to a new version of Windows…


Unlock Azure Drive locked via BitLocker (ARM)

1) Create a Recovery VM located in the same Resource Group, Storage Account and Location of the impacted VM. 2) Delete the affected VM via the Azure Portal 3) Open PowerShell ISE as an Administrator 4) Run the following modifying the highlighted sections: Login-AzureRmAccount $vmName = “VirtualMachineName” $vault = “AzureKeyVaultName” # Get the Secret for…


Azure VM stuck in Failed State (ARM)

Symptom: VM is stuck in a “Failed” state Resolution: You can attempt to clear this state by updating the VM via PowerShell. This causes no additional downtime and only takes a moment. To do this, open a PowerShell session as an Administrator and run the following modifying as needed # To view all subscriptions for…

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How to setup a VM to boot to last good known configuration (RDFE)

Symptom: VM stuck in Reboot Loop. Often due to Failed Windows Updates. Resolution: 1) Delete the isolated VM, keeping the disks associated with it. 2) Wait for the disk lease to expire. (About 3 mins) 3) Attach the OS disk of the broken VM to a recovery VM located in the same Region and Cloud…


How to setup a VM to boot to last good known configuration (ARM)

Symptom: VM stuck in Reboot Loop. Often due to Failed Windows Updates. Resolution: 1) If Azure PowerShell is not installed, please install it from http://azure.microsoft.com/en-us/downloads/ 2) Delete the broken VM. All disks will be kept automatically. 3) Wait for the disk lease to expire. (About 3 mins) 4) Attach the OS disk of the broken…

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