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Tony DeVere's (MSFT) Blog

notes from the front line

Another Case of The RPC server is unavailable - Cross Domain DCOM Call Failure

Visual Overview - Technical Overview SSMS.exe here successfully calls the EndPointMapper on...

Date: 05/03/2017

Microsoft JDBC Driver 4.2 contains a version of sqljdbc_xa which creates a handle leak in SQL Server

Recently I worked with a customer who was experiencing a crash in his SQL Server process. He was...

Date: 06/13/2016

How to determine the referenced COM object from System.__ComObject

Perhaps you are debugging your .NET Application and would like to know to which COM component an...

Date: 09/10/2015

Mixed Mode Adapter for Native C++

  So our customer's goal was to update their native C++ application with support for calling a...

Date: 03/09/2015

A Tricky “Could not create SSL/TLS secure channel”

  My customer is attempting to setup a WCF service behind a SSL balancer. The WCF Service will...

Date: 02/27/2015

Configure ETW Tracing Windows Server AppFabric 1.1 for Multiple Cachehosts

  Enabling ETW tracing across your cluster can be made easier by utilizing this handy guide....

Date: 02/10/2015

MSDTC Does Not Correctly Log All XA Transaction Details

  If you’re having to work with the Microsoft Distributed Transaction Coordinator transaction...

Date: 01/28/2015

The IObjectControl::Activate() method failed - Error Code = 0x800a01a8

  My customer was migrating from Windows 2003 to Windows 2012 R2. Part of the application still...

Date: 11/25/2014

SSL HandShake ClientHello receives Encrypted Alert

My customer recently ran into a problem worth recounting. He had several machines which had a WCF...

Date: 11/11/2014

Simple WSE Routing Sample for Classic SOAP Service

A customer came to me recently asking about options to migrate a set of SOAP services hosted on...

Date: 10/28/2014

Implement a UserNamePasswordValidator for WCF Service hosted in IIS

Recently I was working with a customer to implement a custom UserNamePasswordValidator for his WCF...

Date: 10/13/2014

Learn to use the PowerShell cmdlet for testing the Microsoft Distributed Transaction Coordinator (MSDTC)

The following article assume the following: 1. You have no firewall between the server and client or...

Date: 09/29/2014