Tag Archives: IaaS

Microsoft Azure Stack Technical Preview 3 on lower hardware specifications

New technical preview, new challenges. After I got the TP1 and TP2 running on lower hardware specifications, I have tried the same for the TP3 and want to share the results with you. First of all we have the same hardware requirements for TP3 as for TP1 and TP2. Component Minimum Recommended CPU Dual-Socket: 12 Physical Cores Dual-Socket: 16 Physical Cores Memory 96 GB RAM 128 Read more [...]

Microsoft Azure – managed disks and port 8443 issue

Managed disks are new and maybe you have run into a deployment error with VMs using managed disks. The reason for that is mentioned in the notes, directly at the beginning of the documentation. VMs with Managed Disks require outbound traffic on port 8443 to report the status of the installed VM extensions to the Azure platform. Provisioning a VM with extensions will fail without the availability of Read more [...]

Why you should use managed disks on Microsoft Azure?

Two weeks ago, Microsoft has announced the next milestone for the Azure IaaS platform, managed disks. -> https://azure.microsoft.com/en-us/blog/announcing-general-availability-of-managed-disks-and-larger-scale-sets/ Why are they so important and why you should use them? These questions will be answered in this blog post and I will also provide some more details about managed disks. First Read more [...]

Azure Germany services URLs and IP addresses for firewall or proxy whitelisting

When you are working with Azure Germany sometimes you have to whitelist specific IP address ranges or URLs in your corporate firewall or proxy to access all Azure services you are using or trying to use. Some information like the datacenter IP ranges and some of the URLs are easy to find. Other things are more complicated to find like calling IP addresses of specific Azure services or specific URLs. The Read more [...]

Azure storage performance health check script

When you are working with Azure IaaS services especially with Azure VMs, it comes down to one critical component you have to look very accurately during the design phase and that is Azure storage. It does not matter whether you going to use standard storage accounts or premium storage accounts. Why I am telling you this? Because it is easy to overload a storage account and you will epxerience a Read more [...]

SAP workloads on Azure Germany

Different SAP workloads are certified to run on Microsoft Azure and that does also counts for Microsoft Azure Germany. But which SAP solutions can be run on Azure Germany? First of all, all the necessary OS images are available in the Azure Marketplace in both regions Germany Central and Germany Northeast. But have a look at the following tables to get the information in which region in Azure Read more [...]

Azure services URLs and IP addresses for firewall or proxy whitelisting

When you are working with Azure sometimes you have to whitelist specific IP address ranges or URLs in your corporate firewall or proxy to access all Azure services you are using or trying to use. Some information like the datacenter IP ranges and some of the URLs are easy to find. Other things are more complicated to find like calling IP addresses of specific Azure services or specific URLs. The Read more [...]

Free trial subscriptions for Azure Germany

Today at the Microsoft Technical Summit in Darmstadt, Scott Guthrie announced the availability of the free trial subscriptions for Azure Germany. If you want to test Azure Germany for 30 days, just sign up and create your free trial. -> https://azure.microsoft.com/en-us/free/germany/ -> https://azure.microsoft.com/en-us/overview/clouds/germany/ Read more [...]

Microsoft Azure Route Table effective routes evaluation

Another hidden gem in Azure is the effective routes evaluation. The effective routes evaluation can be found under the category SUPPORT + TROUBLESHOOTING in each Route Table or NIC. You only have to select the subnet and the VM’s NIC. Now you get an overview which routes are applied to the VM’s NIC. For an offline analysis there is a download option, that generates a CSV file of Read more [...]

Microsoft Azure Network Security Group effective security rules evaluation

Ever faced the problem that you had defined rules in your Network Security Groups, attached one to the virtual subnet and the other one to the VM’s NIC and finally lost the view which rules of which NSG are applied to the VM? If you can answer the question with yes, then Azure provides the solution for it. A hidden gem: the effective security rules. The effective security rules evaluation can Read more [...]