Web page layout broken issue due to "Natural Metrics" in IE11

  After upgrading to IE11, web page layout may be broken. The most common reason is the web page runs in a newer document mode in IE11. However, the layout issue might still occur even if the document mode is same as before. This is because IE11 uses natural metrics for font rendering while previous…

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How to create an IIS website that requires client certificate using self-signed certificates

  Some IE/IIS issues may involve client certificate. It always took me hours to deploy a test website that requires client certificate. Therefore, I am going to write this blog to record every steps including: creating self-signed root CA, server certificate, client certificate and configuring IIS. Prerequisites Domain iislab.com IIS server iis-lab-server @ Windows Server…

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Node.JS Diagnoser Site Extension for Azure Web APP is Ready

In my latest post, introduced that the default Node.JS version (0.10.32, x86) parser function is embedded in Azure Web APP DaaS. Here the Node.JS Diagnoser Site Extension is provided specifically for diagnosing more Node.JS versions (0.12.6 X86 and X64) and more flexible operations. In simple words, now it supports analyzing: 0.10.32 X86 0.12.6 X86 0.12.6…

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How to analyze Node.JS running processes on Azure Web APP

Node.JS Parser for Node.JS 0.10.32 32bit is included in Azure Web App Diagnostic Service now. If you have Node.JS 0.10.32 32bit running, and want to quick analyze its running status, open https://<appname>.scm.azurewebsites.net/support Click the Analyze menu, click Diagnostics, and then click Diagnose Now: The parser is developed to analyze Node.JS slow performance issue or understand…

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How to capture and analyze dump for intermittent High Memory on Azure Web App

Previous posts introduced how to capture dumps for intermittent Exception and High CPU issues on Azure Web App. Today Crash Diagnoser V1.3 supports High Memory dump capture too. Here are quick configure steps: 1. Install Crash Diagnoser from Site Extension Gallery. For detailed installation steps, click here. If you installed it before, can update it…

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How to capture dump when intermittent High CPU happens on Azure Web App

  When facing intermittent High CPU issue on Azure Web App, previously we have no easy method to capture dump files for further analysis because: 1. It is an intermittent issue. When you monitor the application, the high CPU may not happen at the moment or in the current process lifecycle. 2. When use Kudu…

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Tips of using Crash Diagnoser on Azure Web App

  After Crash Diagnoser was released, glad to see it does help users and support team to collect expected dump data to perform further analysis. If you haven’t touched it before, can read the previous posts here:   How to capture intermittent exceptions on Azure Web APP Troubleshoot Stack Overflow on Azure Web APP How…

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Build clustered MSMQ role on a Windows Server 2012 R2 Failover Cluster

In this blog post, we will go through the steps to quickly setup clustered MSMQ role on a Windows Server 2012 R2 Failover cluster on virtual machines in test lab. Assumptions · 2 nodes cluster · The DC will also be used as shared storage provider (iSCSI target). Basic Setup 3 Windows Server 2012 R2…

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Use Crash Diagnoser Site Extension to Capture Dump for Intermittent Exception issues or performance issues on Azure Web App

  While running Customer’s .NET/PHP/ Node processes in Azure Web App environment, it may intermittently crashes due to code or performance issues. It’s important to capture the crash dump when such crash/exception happen automatically for further investigation. This article is to introduce the new CrashDiag Site Extension, which can easily help us to capture the…

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