Synchronize file date time on multiple IIS servers and fix ETag discrepency

Omar Al Zabir

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17 May 2011CPOL

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Files with different date time get different ETag generated by IIS. As a result, on a web server farm, each webserver sends different ETag for the same file as the files are copied to those servers at different date time. Here's a script that can set date time of same file across multiple servers to

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Omar Al Zabir

Architect BT, UK (ex British Telecom)

United Kingdom

I am: Head of Engineering Consumer CRM & Billing, BT (ex British Telecom).
I got: 11 Microsoft MVP Awards, 4 CodeProject MVP awards.
I like: Performance and Scalability Challenges.
My Book: Building a Web 2.0 portal using ASP.NET 3.5. Also on Amazon
My Blog: http://omaralzabir.com
My Specialization: Web 2.0, SaaS, Performance and Scalability of Web Apps.
My Email: OmarALZabir at gmail dot com

Follow Me: twitter.com/omaralzabir

My Projects:
Droptiles: Open Source Web 2.0 AJAX Portal
SQL Server real-time monitor
Oracle real-time monitor
Codeuml - UML diagrams as fast as you can type
Fastest Streaming AJAX Proxy
CPU Alerter - Save power, work faster

My Articles:
Top 10 caching mistakes
99.99% Available Production Architecture
10 ASP.NET Performance and Scalability Secrets
UFrame: UpdatePanel and IFRAME combined
Fast ASP.NET web page loading
Fast Streaming AJAX Proxy
Using COM safely inside "using" block without requiring interop assembly
Implementing Word Like Automation Model
Distributed Command Pattern

Synchronize file date time on multiple IIS servers and fix ETag discrepency

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