Microsoft Azure Support Team Blog

Stale screenshot in Azure VM Boot Diagnostics

If you notice the Boot Diagnostics screenshot for your Azure VM is stale in the Azure portal, first...

Author: Craig Landis Date: 02/15/2018

Enhanced Azure Security for sending Emails - November 2017 Update

Azure is committed to stopping SPAM and reducing the customer impact caused by negative IP...

Author: David Goddard (Microsoft) Date: 11/15/2017

How to monitor and alert potential Disk and VM Level IO Throttling on Linux VMs using ARM

Introduction This blog post will present a step-by-step guide to enable disk performance monitoring...

Author: Rossano Vitulli - MSFT Date: 09/29/2017

How to monitor and alert potential Disk and VM Level IO Throttling on Windows VMs using ARM

This article will present a step-by-step guide to enable disk performance monitoring on Windows VMs...

Author: Dirk Sc - MSFT Date: 09/12/2017

Troubleshooting Windows activation failures on Azure VMs

Azure uses the following KMS endpoints for Windows product activation of Azure Virtual Machines:...

Author: Craig Landis Date: 06/14/2017

Azure Disk Encryption - Convert BEK Disk Encryption to KEK for Azure Recovery Services

Convert BEK Disk Encryption to KEK for Azure Recovery Services A common desire is to convert Azure...

Author: manojsehgal Date: 11/28/2016

Azure Disk Encryption - How to recover BEK file from Azure Key Vault

In today’s blog, we will demonstrate behavior of Azure Disk Encryption Extension and how it...

Author: manojsehgal Date: 11/27/2016

Microsoft Azure: How to execute a synchronous Azure PowerShell cmdlet multiple times at once, using a single PowerShell session

Overview Often times, Microsoft Azure customers have requirements to create multiple resources of...

Author: Adam Conkle - MSFT Date: 06/29/2016

(contributed by Michael Jolley) While enabling an ARM circuit for use with classic deployments is...

Author: Evan Basalik Date: 05/18/2016

VM stuck in "Updating" when NSG rule restricts outbound internet connectivity

An Azure VM may experience the following symptoms if you have a network security group (NSG) rule...

Author: Craig Landis Date: 04/27/2016

Sending E-mail from Azure Compute Resource to External Domains

Please see updated content...

Author: David Goddard (Microsoft) Date: 04/04/2016

Impact of Cisco March 2016 Vulnerabilities on Azure

Microsoft evaluates the security of its infrastructure on an ongoing basis and part of this...

Author: Evan Basalik Date: 03/03/2016

Azure networking - Public IP addresses in Classic vs ARM

This post was contributed by Stefano Gagliardi, Pedro Perez, Telma Oliveira, and Leonid Gagarin As...

Author: Evan Basalik Date: 02/04/2016

Endpoint Load Balancing Heath Probe Configuration Details

Azure load balanced endpoints enable a port to be configured on multiple role instances or virtual...

Author: David Goddard (Microsoft) Date: 01/26/2016

AutoAdminLogon registry value reset to 0 after reboot

Recently a customer had an issue where they were setting some registry values in their Azure VM by...

Author: Craig Landis Date: 01/08/2016

IaaSAntimalware Extension Status NotReady if Installed with no Configuration

The Microsoft Antimalware extension (IaaSAntimalware) requires a minimum configuration when...

Author: Craig Landis Date: 12/27/2015

Azure VM may fail to activate over ExpressRoute

Customers can advertise a default route (also known as forced tunneling) over their ExpressRoute...

Author: David Goddard (Microsoft) Date: 12/01/2015

Azure SNAT

This post was contributed by Pedro Perez. Azure’s network infrastructure is quite different than...

Author: Evan Basalik Date: 07/13/2015

Supported IP Protocols for Azure Cloud Services

As of today, June 2015, the supported IP protocols for Azure cloud services are TCP (protocol number...

Author: David Goddard (Microsoft) Date: 06/18/2015

Building Windows Server Failover Cluster on Azure IAAS VM – Part 2 (Network)

Hello, cluster fans! In my previous blog, Part 1, I talked about how to work around the storage...

Author: Rony Samson Date: 06/17/2015

Windows Server Failover Cluster on Azure IAAS VM – Part 1 (Storage)

Hello, cluster fans. This is Mario Liu and I am a Support Escalation Engineer on the Windows High...

Author: Rony Samson Date: 06/17/2015

Use Azure custom routes to enable KMS activation with forced tunneling

If customers enable forced tunneling on their subnets to force internet connectivity via on premises...

Author: David Goddard (Microsoft) Date: 05/20/2015

Azure DNS Server Redundancy

Customers may observe that their PaaS role instances and IaaS virtual machines are only issued one...

Author: David Goddard (Microsoft) Date: 05/18/2015

What is the IP address 168.63.129.16?

The IP address 168.63.129.16 is a virtual public IP address that is used to facilitate a...

Author: David Goddard (Microsoft) Date: 05/18/2015

Keeping Azure PowerShell Current

I have been supporting Azure for 7 years now and one of the constants is the rapid pace of change of...

Author: Evan Basalik Date: 04/12/2015

Traffic Manager and Azure SLB - Better Together!

This post was contributed by Pedro Perez Can Traffic Manager coexist with Azure Load Balancer? And...

Author: Evan Basalik Date: 04/10/2015

Unable to connect to multinic Linux VM

When creating an Azure VM with multiple NICs and subnets, the guest's default gateway is not...

Author: Vittorio Franco Libertucci Date: 02/10/2015

Unable to delete VHD, “There is currently a lease on the blob…”

For classic VMs, there are artifacts (metadata about the VHDs) that keep a lease on the VHD even...

Author: Flavio Muratore [MSFT] Date: 01/27/2015

Recover Azure VM by attaching OS disk to another Azure VM

[Update:1/28/2015] These steps apply only to classic VMs. If you need assistance with Resource...

Author: Craig Landis Date: 11/20/2014

Configuring Azure Virtual Machines for Optimal Storage Performance

In support, one of the most common questions we get is: How do I achieve the best disk performance...

Author: William (Microsoft) Date: 10/14/2014

How to Monitor for Storage Account Throttling

For Azure Virtual Machines, we document storage limits of 500 IOPS per disk, and the guidance to not...

Author: Craig Landis Date: 08/02/2014

Learning Azure Service Management REST API through Powershell, and Azure CLI tools

Azure Service Management REST API is used by all the public tools provided by Microsoft to manage...

Author: Rakki Muthukumar (rakkim) Date: 07/15/2014

Unable to setup AutoScale for Virtual Machines from the Azure Management Portal

You can set up AutoScale for your Cloud Services, Virtual Machines, Web Sites from the Azure...

Author: Rakki Muthukumar (rakkim) Date: 07/14/2014

Azure Import/Export Service Error: The provided file doesn’t contain valid drive information

The Windows Azure Import/Export Service enables you to move large amount of data in or out of your...

Author: Praveen M [MSFT] Date: 07/12/2014

Event ID 2: Session "WindowsAzure-GuestAgent-Metrics" failed to start with the following error: 0xC0000035

You may notice the following error on an Azure VM in the event log under Applications and Services...

Author: Craig Landis Date: 07/09/2014

Unable to add VM agent extension to Azure VM

[Update 7/17/2014] Azure PowerShell 0.8.5 has released which resolves the inability to use VM agent...

Author: Craig Landis Date: 07/01/2014

How to Copy files to/from Azure Storage

If you are looking for a reliable way to copy files to or from Azure storage then this blog post...

Author: Pradeep M G Date: 06/28/2014

Use port pings instead of ICMP to test Azure VM connectivity

Because the ICMP protocol is not permitted through the Azure load balancer, you will notice that you...

Author: Craig Landis Date: 06/22/2014

Avoiding allocation failure error in Microsoft Azure

In some cases you may encounter an allocation failure error when you are trying to perform an action...

Author: Pradeep M G Date: 06/21/2014

"Installing extensions on virtual machine..." does not complete on Azure VM

[Update 11/11/2014] The VM agent no longer relies on the VM's configured DNS server for name...

Author: Craig Landis Date: 06/18/2014

How to determine Current Guest OS family - Only for Pass Instance (Web Role and Worker Role) Windows Azure PowerShell

Set Up Windows Azure Powershell ....

Author: Abhishek Anand [MSFT] Date: 05/19/2014

How to move your Windows server VM running on Hyper-V to Microsoft Azure

Note: This blog post comes from Manoj Sehgal, Sr. Support Escalation Engineer from Microsoft Azure...

Author: Pradeep M G Date: 05/15/2014

Microsoft Azure datacenter's IP location, shows incorrect location when using IP Geolocation services

If you have looked up the IP that is assigned to your Microsoft Azure deployments using any of the...

Author: Pradeep M G Date: 05/09/2014

Install the VM Agent on an existing Azure VM

The Windows Installer MSI package to install the VM Agent on an existing Azure VM is available for...

Author: Craig Landis Date: 04/07/2014

Enable RDP or Reset Password with the VM Agent

[UPDATE 07/17/2014] Make sure you are using version 0.8.5 or later of Azure PowerShell as there was...

Author: Craig Landis Date: 03/06/2014

VM Agent available for Azure VMs

The VM agent for Windows Azure Virtual Machines is now installed by default when creating new VMs in...

Author: Craig Landis Date: 02/17/2014

RDP to Azure VM fails with "No Remote Desktop License Servers available"

You can use mstsc /admin to work around the following licensing error when attempting to connect...

Author: Craig Landis Date: 01/21/2014

If you are using the Visual Studio 2013 Gallery image for MSDN subscribers to create an Azure VM and...

Author: Craig Landis Date: 01/18/2014

Unable to create Storage Pool in Windows Server 2012 R2 Azure VM

UPDATE Mar. 10: This issue is now resolved. The fix has been fully deployed to all Windows Azure...

Author: Craig Landis Date: 01/14/2014

Setting up a Passive FTP Server in Windows Azure VM

This post is authored by Lalitesh Kumar, Pradeep M G and reviewed by Avinash Venkat Reddy. Also...

Author: Pradeep M G Date: 12/12/2013

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