Could not find file ‘C:WINDOWSTEMP..dll’

Sometimes customers open technical support cases because of this (apparently simple) issue: “System.Web.Services. Protocols.SoapException: Server was unable to process request. –> System.Io.FileNotFoudException: Could not find file ‘C:\WINDOWS\TEMP\hgza30lw.dll’.[…]” When you use an ASP.NET web service/client, a temporary serialization assembly is generated by it several times, in particular a serialization code is first generated and csc.exe compiler…

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.Net TCP/IP Port Sharing

As stated in the .Net TCP Port Sharing MSDN article, “Windows Communication Foundation (WCF) provides a new TCP-based network protocol (net.tcp://) for high-performance communication. WCF also introduces a new system component, the Net.TCP Port Sharing Service that enables Net.TCP ports to be shared across multiple user processes.” I recommend to have a look at the…

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WCF End-To-End Tracing

I have to say WCF tracing is quite well documented in MSDN and even though this is certainly an aspect developers could take advantage of, sometimes you can get discouraged if facing tons of documents, technical details, etc. As a consequence you end up to ignore even the fundamental topics. My aim is to provide…

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WCF service startup too slow? Have you thought to CRL check?

A customer of mine was experiencing an annoying delay when calling a WCF service hosted in IIS6. He provided the following elements with the issue description: “The delay only occurs when calling the WCF service the first time. The following calls were executed in a reasonable time. It was enough to restart the client application…

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Counters, counters, counters!

Typical (painful) troubles in the troubleshooter life are memory leaks or, generally speaking, issues related to large unexpected resource consumption. Sometimes those issues happen on production environments (we all know testing should have been done before, but this kind of problems keep on occurring on production environments, who knows why ) and sometimes we’re not…

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How can you survive without SOAP Toolkit when using WindowsPE for Vista?

A customer of mine recently came up with a tricky problem regarding SOAP Toolkit and Windows Vista: “We have computer naming system that uses SOAP query. It has worked fine with XP but now we have problems with Vista. We get the following error: ActiveX component can’t create object ‘MSSOAP.SoapClient’. What could be wrong?” The…

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Hi there!

Hi guys, my name’s Andrea and I’m a member of Microsoft EMEA Distributed Services Team. We provide support for many MS technologies (COM+, WCF, WF, MSDTC, etc.), thus each one of us is specialized on some of them. My area mainly consists of web services: Windows Communication Foundation, .NET Remoting, ASP .NET web services. In…

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