AsiaTech: Microsoft Azure & Development
The first WCF call always timed out?
This is a scenario where both the WCF client and service are running in the same AppDomain inside a...
Author: APGC DSI Team Date: 09/19/2011
IIS returns 400 “bad request” for WCF service file
This is an IIS hosted WCF service uses basicHttpBinding in NLB environment. The configuration looks...
Author: APGC DSI Team Date: 09/14/2011
WCF Exception: Security settings for this service require 'Anonymous' Authentication but it is not enabled for the IIS application that hosts this service
Windows authentication is well suited for scenarios in which your users have domain credentials....
Author: APGC DSI Team Date: 09/04/2011
Return 404.4 Not Found when URL Rewrite
URL Rewrite module can redirect a URL to any internal (on the same site) or external URLs (on a...
Author: APGC DSI Team Date: 08/24/2011
IIS 7 Delegate Remote Application Pool Recycling for Non Administrator
A question raised somewhat frequently from customers asks if there is a way to allow users to...
Author: APGC DSI Team Date: 07/20/2011
System.NullReferenceException occurs when access Session object in SharePoint Web Application
We have one customer integrated customized code with SharePoint Web Application, but always meet...
Author: APGC DSI Team Date: 07/20/2011
IIS 7 client certificate mapping: First request takes 45+ seconds
Customer uses client certificate mapping. The first request takes 45+ seconds while the consequent...
Author: APGC DSI Team Date: 07/19/2011
Pages settings don’t work for pre-compiled ASP.Net applications
My customer had a viewstate MAC validation problem. As a workaround, he wanted to disable the...
Author: APGC DSI Team Date: 07/19/2011
Troubleshooting Access Denied issue when launch remote COM+ application as Anonymous user
Customer has setup COM+ application server in one Win2K3 Domain environment, and the client side is...
Author: APGC DSI Team Date: 07/19/2011
IE keeps asking credentials when access an IIS7.5 web site requires Windows Authentication
This is a Windows 2008 R2 with IIS installed and couple of Sharepoint sites running already. The...
Author: APGC DSI Team Date: 07/12/2011
How to troubleshoot HttpException Request timed out (ASP.NET 2.0 32-bit)
NOTE: The following steps apply to ASP.NET 2.0 (32 bit). They have not been tested in other versions...
Author: APGC DSI Team Date: 07/05/2011
Why DTCTester always fails on windows Server 2008 Cluster even DTCPing test succeeds
Symptom Suppose we have a windows server 2008 cluster and a clustered SQL instance. We have a...
Author: APGC DSI Team Date: 06/24/2011
How to write chunked transfer encoding web response
Recently I worked on a performance issue caused by IIS re-authenticate for every request. From...
Author: APGC DSI Team Date: 04/25/2011
Http SSL service failed to start with error
Customer is running a Windows 2003 SBS server, he found some function of exchange doesn't work and...
Author: APGC DSI Team Date: 04/04/2011
How to troubleshoot msdtc transaction failure issue with linked Oracle server on Windows 2008
We introduced how to make MSDTC transaction function work with linked Oracle server on Windows 2003...
Author: APGC DSI Team Date: 04/03/2011
A not so common stack overflow
This is an ASP.Net 2.0 application experienced stack overflow on both X86 and X64. Same again, we...
Author: APGC DSI Team Date: 03/17/2011
How to troubleshoot MSDTC communication failure (II)
After elaborating the check list of MSDTC configuration and setup on Win2003 and Win2008, in this...
Author: APGC DSI Team Date: 03/01/2011
How to troubleshoot MSDTC communication failure (I)
MSDTC is used in distributed environment, because many factors were involved, when MSDTC...
Author: APGC DSI Team Date: 03/01/2011
How to troubleshoot the “Red Arrow” issue in Component Services (II)
We have introduced the troubleshooting methods on the most common scenarios which caused "Red Arrow"...
Author: APGC DSI Team Date: 01/17/2011
Why we got 404 when accessing WCF domain services deployed in IIS6
Symptom: Customer deployed a Silverlight + ASP.Net Project in IIS6 of Windows Server 2003, and the...
Author: APGC DSI Team Date: 01/09/2011
IIS7 re-installation failed due to HTTP service disabled
Symptom Customer complained that he tried to re-install IIS7 as he found WWW service couldn't be...
Author: APGC DSI Team Date: 01/09/2011
Setting Up A Wildcard Certificate in IIS 7, How to Avoid Those Certificate Mismatch Errors.
There are some articles that explain the need for a wildcard certificate, but not so many which...
Author: APGC DSI Team Date: 12/26/2010
WCF call has 15 seconds delay after idle for couple of minutes
Customer has a WCF application which uses ASP.Net as a client. The service is hosted on another IIS...
Author: APGC DSI Team Date: 12/26/2010
High Performance ASP.NET application (2) – Caching ASP.NET application Introduction
Last time we take a bite of a piece of writing high performance ASP.NET application – State...
Author: APGC DSI Team Date: 12/15/2010
IE 7 starts a new connection for every request when access one specific site
After upgrading from IIS 5 to IIS 6, client observed the web application performance was not as good...
Author: APGC DSI Team Date: 11/17/2010
How to determine Cipher Suite between IE and IIS
Assume you already looked at Xin’s article about How to use 256 bit SSL in IIS 6.0. It is...
Author: APGC DSI Team Date: 11/17/2010
High Performance ASP.NET application (1) – Optimizing state management
Today we’ll talk a little about how to optimize state management when coding your ASP.NET...
Author: APGC DSI Team Date: 11/08/2010
Some perl clients get error message after upgrading FTP server from IIS 6 to 7
Symptom: FTP client get below error 425-Cannot open data connection. Win32 error: The network...
Author: APGC DSI Team Date: 11/08/2010
Heap corruption in HttpCacheModule while you try to remove HTTP headers in your custom HTTP module.
Some users want to remove certain HTTP headers in IIS 7.0/7.5 to avoid divulging platform...
Author: APGC DSI Team Date: 10/18/2010
How to completely release WorkflowRuntime resource
In case you need to create multiple WF 3.5/3.0 WorkflowRuntime objects, you may find the memory...
Author: APGC DSI Team Date: 10/06/2010
How to load the specified mscordacwks.dll for managed debugging when multiple .NET runtime are loaded in one process
When multiple .NET runtime are loaded in one target process or one dump file, for example: 0:030>...
Author: APGC DSI Team Date: 09/09/2010
How to configure "RPC over HTTP" for DCOM communication in Windows 2003
Background RPC-over-HTTP enables client programs to use the Internet to execute procedures provided...
Author: APGC DSI Team Date: 09/02/2010
Application Pool dropdown list displays in IIS 6.0
Application Pool dropdown list displays <Invalid Application Pool> item only. Following the...
Author: APGC DSI Team Date: 08/16/2010
Got Error 0x80070520 When Binding Certificate to Web Site on IIS 7
One of my customers had a problem when using one certificate on IIS 7. This certificate once been...
Author: APGC DSI Team Date: 08/12/2010
Failed to Install WSUS on X64 IIS 6 with COMException 0x80020006
Customer want install WSUS on X64 IIS 6 and got follow error when the setup application tried to...
Author: APGC DSI Team Date: 08/12/2010
Load User Profile in IIS 7
Assume migrate a classic ASP application within own COM+ component from IIS 6 to IIS 7. The...
Author: APGC DSI Team Date: 08/05/2010
Could not find the file 'C:WINDOWSTEMP<XML serializer(Random generated file name)>.dll
Customer has an ASP.Net application uses XmlSerializer. The XML serialization infrastructure...
Author: APGC DSI Team Date: 08/02/2010
Heap corruption in FindCustomError
Heap corruption is by nature a complicated issue to troubleshoot and in some cases luck is as...
Author: APGC DSI Team Date: 07/07/2010
How to remove invalid character in incoming XML message using custom pipeline component
BizTalk server is usually used as message bus for different platforms and applications. In most...
Author: APGC DSI Team Date: 06/16/2010
Performance issues may happen to .NET Enterprise Services components
When .NET application highly relies on EnterpriseService Component, to avoid Performance issue, we...
Author: APGC DSI Team Date: 06/15/2010
IIS7 may fail to be uninstalled when it’s Shared Configuration corrupted
In Enterprise environment, when multiple IIS 7/7.5 web servers share the same configuration on a...
Author: APGC DSI Team Date: 05/25/2010
How to consume a self-hosted WCF service in a cross-domain environment by Silverlight client
Background: When a Silverlight client tries to consume WCF service, it’s allowed only site-of-origin...
Author: APGC DSI Team Date: 05/06/2010
Custom 404 page in IIS 7 - 500.19
You may receive 500.19 – Internal Server Error Absolute physical path “driver:\path” is not allowed...
Author: APGC DSI Team Date: 04/16/2010