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Building Windows Server Failover Cluster on Azure IAAS VM – Part 2 (Network)
Hello, cluster fans. In my previous blog, I talked about how to work around the storage block in order to implementing Windows Server Failover Cluster on Azure IAAS VM. Now let’s discuss another...
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Supported IP Protocols for Azure Cloud Services
As of today, June 2015, the supported IP protocols for Azure cloud services are TCP (protocol number 6) and UDP (protocol number 17) only. All TCP and UDP ports are supported. This applies to both...
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Azure SNAT
This post was contributed by Pedro Perez.Azure’s network infrastructure is quite different than your usual on-premises network as there are different layers of software abstraction that work behind...
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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 blocker in order to implement Windows Server Failover Cluster on Azure IAAS VM. Now let’s discuss another...
View ArticleSupported IP Protocols for Azure Cloud Services
As of today, June 2015, the supported IP protocols for Azure cloud services are TCP (protocol number 6) and UDP (protocol number 17) only. All TCP and UDP ports are supported. This applies to both...
View ArticleAzure SNAT
This post was contributed by Pedro Perez. Azure’s network infrastructure is quite different than your usual on-premises network as there are different layers of software abstraction that work behind...
View ArticleAzure VM may fail to activate over ExpressRoute
Customers can advertise a default route (also known as forced tunneling) over their ExpressRoute circuit to force all traffic destined for the internet destined traffic to be routed through their...
View ArticleIaaSAntimalware Extension Status NotReady if Installed with no Configuration
The Microsoft Antimalware extension (IaaSAntimalware) requires a minimum configuration when installed, otherwise its status will be NotReady. When you add the IaaSAntimalware extension using the Azure...
View ArticleAutoAdminLogon 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 running a script using the guest agent CustomScriptExtension. After reboot, one of the values was...
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Endpoint Load Balancing Heath Probe Configuration Details
Azure load balanced endpoints enable a port to be configured on multiple role instances or virtual machines in the same hosted service. The Azure platform has the ability to add and remove role...
View ArticleAzure networking – Public IP addresses in Classic vs ARM
This post was contributed by Stefano Gagliardi, Pedro Perez, Telma Oliveira, and Leonid Gagarin As you know, we recently introduced the Azure Resource Manager deployment model as an enhancement of the...
View ArticleImpact of Cisco March 2016 Vulnerabilities on Azure
Microsoft evaluates the security of its infrastructure on an ongoing basis and part of this evaluation includes working with our vendors, the open source community and internal test labs to identify...
View ArticleSending E-mail from Azure Compute Resource to External Domains
Sending outbound e-mail to external domains (such as outlook.com, gmail.com, etc) directly from an e-mail server hosted in Azure compute services is not supported due to the elastic nature of public...
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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 configured to deny outbound internet connectivity: When you create a new VM the status remains on...
View ArticleCross-subscription circuit links that cross the ARM/classic boundary
While enabling an ARM circuit for use with classic deployments is fairly straightforward on its own, it can be confusing to do so as part of creating cross-subscription circuit links with classic...
View ArticleMicrosoft Azure: How to execute a synchronous Azure PowerShell cmdlet...
Overview Often times, Microsoft Azure customers have requirements to create multiple resources of the same type, and they wish to have these resources created as quickly as possible in a scripted...
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