Narahari's Blog

Windows Azure Platform

Windows Azure Virtual Machine restarted with out any notification

An unexpected restart of an Azure VM is an issue that commonly results in a customer opening a...

Author: Narahari Dogiparthi [MSFT] Date: 09/23/2013

Configure Remote Desktop via management portal for Windows Azure Cloud Services

Windows Azure now allows users to configure, enable remote desktop for cloud services via management...

Author: Narahari Dogiparthi [MSFT] Date: 07/19/2013

[CrossPost] TechNet Radio: (Part 2) Windows Azure Virtual Machine FAQs

I recently had opportunity to speak at a TechNet Radio session about Windows Azure Virtual Machines...

Author: Narahari Dogiparthi [MSFT] Date: 04/08/2013

Security Best Practices for Windows Azure

Security is an very important aspect when it comes to computers and it should be at the top of...

Author: Narahari Dogiparthi [MSFT] Date: 02/04/2013

Windows Azure Virtual Machines – Gotcha’s!

This blog post is an attempt to summarize most common issues we’ve seen Windows Azure Virtual...

Author: Narahari Dogiparthi [MSFT] Date: 01/14/2013

Windows Azure Virtual Machine disappeared or gone , How do I recover?

We often hear from our Windows Azure customers who are using new preview feature “Windows...

Author: Narahari Dogiparthi [MSFT] Date: 10/17/2012

Windows Azure Package creation (or Publish) fails with “Build Failed” message in Visual studio output window

Action Tried to publish Windows Azure Service using Publish option in Visual Studio or Tried to...

Author: Narahari Dogiparthi [MSFT] Date: 03/30/2012

DataCacheException:ErrorCode:SubStatus is being thrown when using Windows Azure Cache

Problem Application using Windows Azure Cache has encountered...

Author: Narahari Dogiparthi [MSFT] Date: 03/20/2012

DevFC and DFAgent stopped working when using Windows Azure SDK 1.6 to debug, execute cloud application

Problem DevFC , DFAgent are crashing with a message stating "stopped working" Symptoms Using latest...

Author: Narahari Dogiparthi [MSFT] Date: 02/21/2012

Implementing retry logic for Azure Caching applications made easy!

Applications using Azure cache might commonly encounter exceptions similar to below while performing...

Author: Narahari Dogiparthi [MSFT] Date: 12/29/2011

Microsoft.ServiceBus.AuthorizationFailedException was unhandled

Problem Recently, i have come across "Microsoft.ServiceBus.AuthorizationFailedException" exception...

Author: Narahari Dogiparthi [MSFT] Date: 12/26/2011

Azure: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond x.x.x.x:x"

Problem Azure application has code that talks to Storage services/AppFabric services/SQL Azure is...

Author: Narahari Dogiparthi [MSFT] Date: 12/21/2011

How to: Configure client-side tracing for Azure cache applications, view traces

To troubleshoot Azure cache related problems, it is often required to capture client side traces for...

Author: Narahari Dogiparthi [MSFT] Date: 12/20/2011

HowTo:Configure SSL(https) for specific page(s) while hosting the application in Windows Azure

When hosting web applications in Windows Azure, developers have an option to configure endpoints...

Author: Narahari Dogiparthi [MSFT] Date: 11/11/2011

Unable to connect to one(or few) of the Windows Azure role instnaces using remote desktop (RDP) option

I have recently come across an issue, where Azure users are trying to remotely connect to one of the...

Author: Narahari Dogiparthi [MSFT] Date: 10/31/2011

Improve performance of static content like javascript, text, MS office documents(doc,xls,ppt), cs and html files in Windows Azure

Static compression is the feature that is shipped out of the box in IIS. Using static compression,...

Author: Narahari Dogiparthi [MSFT] Date: 09/05/2011

"Your credentials did not work" error when connecting to Windows Azure VM's

Below specified is the error that might occur while connecting to Windows Azure VM’s via...

Author: Narahari Dogiparthi [MSFT] Date: 08/29/2011

How to add registry entries to VM’s running in Windows Azure

One of the common asks from developers is the ability to write to registry in Windows Azure. Startup...

Author: Narahari Dogiparthi [MSFT] Date: 08/25/2011

System.ServiceModel.EndpointNotFoundException while running SQL Azure Data Sync Agent

Symptoms You might run into one of the two exceptions below while using SQL Azure Data Sync Agent...

Author: Narahari Dogiparthi [MSFT] Date: 08/01/2011

IP Range for Windows Azure Platform, Identifying connectivity issues

I often come across this question by various customers using Windows Azure Platform. “What is...

Author: Narahari Dogiparthi [MSFT] Date: 08/01/2011

Session state provider for Azure AppFabric Cache with useBlobMode=false results in error "Key referred to does not exist"

Problem If you are using Session state provider (Windows Azure AppFabric) and configure...

Author: Narahari Dogiparthi [MSFT] Date: 06/15/2011

Error Creating New Deployment in Windows Azure

Problem: When you try to deploy Windows Azure service via Windows Azure Portal you might encounter...

Author: Narahari Dogiparthi [MSFT] Date: 06/08/2011

Windows Azure roles stuck in Busy state when startup-task is added

With the introduction of SDK 1.3, developers started using start-up tasks quite a bit and often run...

Author: Narahari Dogiparthi [MSFT] Date: 03/17/2011

How to Enable VM Role(beta) for your subscription in Windows Azure

Latest Windows Azure SDK, i.e SDK 1.3 allows developers to create VM instance of Windows Server 2008...

Author: Narahari Dogiparthi [MSFT] Date: 12/01/2010

How to connect to VM using Remote Desktop(RDP) on Windows Azure (Cloud)

Starting from Windows Azure SDK 1.3, customers can connect to their VM’s on the cloud. Below...

Author: Narahari Dogiparthi [MSFT] Date: 11/30/2010

MSDTC was unable to read its configuration information. (Exception from HRESULT: 0x8004D027)

I worked on interesting MSDTC issue today that i would like to share here. Problem Description When...

Author: Narahari Dogiparthi [MSFT] Date: 07/21/2010

System.Security.SecurityException: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

My customer tried to run a pre compiled web application and he gets the following exception Security...

Author: Narahari Dogiparthi [MSFT] Date: 06/03/2010

How to configure SPN for IIS website under NLB setup

I ran into this Kerberos issue a few times and it prompted me to write this blog post. Symptoms You...

Author: Narahari Dogiparthi [MSFT] Date: 11/28/2009

"8004E00F - COM+ was unable to talk to Microsoft Distributed Transaction Coordinator" - MSDTC on a CCR cluster (Cluster Continuous Replication)

I ran into rather interesting issue yesterday while trying to configure MSDTC on a CCR cluster and...

Author: Narahari Dogiparthi [MSFT] Date: 11/24/2009

"Hashtable insert failed. Load factor too high" in .NET 3.5 sp1

Error : Hashtable insert failed. Load factor too high (Type: System.InvalidOperationException)...

Author: Narahari Dogiparthi [MSFT] Date: 06/06/2009

Unable to deploy the MSI Application that contains WCF bindings to BizTalk

I have seen few customers running into this issue. This forced me to write this blog. Background: On...

Author: Narahari Dogiparthi [MSFT] Date: 05/18/2009

When using DirectoryServices to access "IIS://" Schema IIS6 Management compatibility pack needs to be installed (System.Runtime.InteropServices.COMException (0x80005000))

When you try to access IIS 7 metabase using System.DirectoryServices (or ADSI providers) you...

Author: Narahari Dogiparthi [MSFT] Date: 05/13/2009