Can’t play PlayReady DRM video after installing Silverlight Update 5.1.31010

On December 9 Microsoft released Silverlight version 5.1.31010.  This version has been pulled and replaced with 5.1.30514. If you experience errors when trying to view DRM protected videos on sites like Netflix, Amazon Prime, or Sky, please check to see if you have Silverlight version 5.1.31010 installed and if so, uninstall and reinstall Silverlight. Uninstall…


Hosting multiple websites: IP or Host Headers?

IIS supports multiple Web sites on a single server. To create and host multiple Web sites, you must configure a unique identity for each site on the server. To assign a unique identity, distinguish each Web site with at least one of three unique identifiers:  an IP address, or a TCP port number or a…

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Suppress WAS Warnings Due to Regular IIS Application Pool Recycling

Attended a call of duty when a customer needed to suppress WAS (Windows Activation Services) warnings logged during regular IIS Application Pool recycling. Here is a short version of the warning: Log Name:      SystemSource:        Microsoft-Windows-WASDate:          9/30/2014 1:30:20 PMEvent ID:      5011Task Category: NoneLevel:         WarningKeywords:      ClassicUser:          N/AComputer:      XXXXX02Description:A process serving application pool ‘XXXX’ suffered a fatal communication…

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How to disable SSL 2.0 or SSL 3.0 from IIS Server

Recently I have assisted couple of enterprise engineers in disabling a specific version SSL from IIS Servers to mitigate a vulnerability that they were facing. In both cases, I found that engineers were little confused as to what registry change that they needed to apply since there were Client and Server portion of the Registry…

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Upload and Download files from OneDrive

  Here is sample code to download and upload files to OneDrive  from Universal Windows Apps. Complete source code is available here  Introduction to Universal Windows Apps Visual Studio template for Universal Windows Apps allows developers to build Windows Store App and Phone App in a single Visual Studio solution. This Visual Studio solution includes…

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Upload and Download files from Azure Storage

  Here is sample code to download and upload files to Azure Storage from Universal Windows Apps. Complete source code is available here Introduction to Universal Windows Apps Visual Studio template for Universal Windows Apps allows developers to build Windows Store App and Phone App in a single Visual Studio solution. This Visual Studio solution…

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Silverlight Support Roadmap

We receive a lot of questions about Silverlight support roadmap. The purpose of this post is to consolidate few relevant links to answer most of your questions. Microsoft will continue to support Silverlight 5 until 10/12/2021 –see here: http://support.microsoft.com/en-us/lifecycle#gp/lifeDevTool– more details on our support policy are here http://support.microsoft.com/ph/12929 Silverlight 5 supports the browser versions listed here:…

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RIA Services: The road to Open-Source

You heard it right and its about time! RIA Services is getting Open-Sourced. Microsoft development lead of NuGet,Jeff Handley, detailed this out recently. We are basically looping back into Jeff’s blog post just to have it listed in our WebApps blog for maximum visibility. Also added some related links: Original Announcement: http://jeffhandley.com/archive/2013/07/03/ria-services-is-getting-open-sourced.aspx Subsequent Announcement: http://jeffhandley.com/archive/2013/10/14/Open-RIA-Services-ndash-Let-the-fun-begin.aspx Press…

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Asp.net performance counters not showing up

This was an interesting issue. While adding a counter, customer was not able to see ASP.NET related “performance objects” rather this was showing random numbers. Really surprising! As we dig through event log, now things started to make sense. Here is the error from the Event log: The Open Procedure for service “ASP.NET_4.0.30319” in DLL “C:\WINDOWS\system32\aspnet_counters.dll” failed….

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How to call a SSL web page programmatically

Not all days are equal. Recently, my day was challenged with a fun but daunting task: to assist a customer to write some C# code to call a https webpage programmatically. Here is what we ended up coding the login page: Note: Since every site is different, you will need to collect Fiddler trace to intercept the form data…

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