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Using KUDU with Microsoft Azure Web Apps

Azure App Service Benjamin Perkins

There is a nice set of troubleshooting and analysis tools for use with Microsoft Azure Web Apps (formerlly Web Sites) called KUDU. Information about that tool set can be found here. It is useful for capturing a memory dump, as explained here, looking at deployment logs, viewing configuration parameters and much more. To access your […]

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HTTP 404 after installing an SSL Certificate

IIS Benjamin Perkins

I was configuring an SSL certificate and once complete, when I attempted to access the website using https://localhost I started receiving a 404 error as shown in Figure 1. Figure 1, 404 HTTP Status after installing an SSL Certificate I tried some shots at troubleshooting the issue using Failed Request Tracing and LogParser to view […]

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HTTPS only on Azure App Service Web Apps

Azure App Service Benjamin Perkins

If you are looking for a resource that describes installing an SSL certificate on a Azure Web App, check here. Here is more information about this configuration. There are multiple modes currently supported on the Azure Web App platform: SNI base SSL – This is a new feature in IIS 8+ (SNI) that extends the […]

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Troubleshooting an IIS Add Roles and Features error

IIS Benjamin Perkins

It is common to install or uninstall Web Server features. You need these features to execute ASP.NET pages, perform logging, authenticate user requests, etc…. Figure 1 shows a sub-set list of features which you may choose to install. Figure 1, Add Roles and Features list, small example Try walking through the ‘Add Roles and Features’ […]

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Recycling a worker process due to deadlock

IIS Benjamin Perkins

There are many reasons why an IIS worker process can hang. For example, a long running SQL query, searching through a Dictionary object, a non-optimal Regex command, hitting the limits of the process model configuration, etc… can all cause performance to slow. Previously, I wrote a blog about using the !dtc command in WinDbg. This […]

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