Monday, January 5, 2009

Web applications on 64-bit Windows

If you have developed a web application and are concerned if your users will have any issues with your web app on a 64-bit Windows machine, you might find this helpful.

I needed to do this research for the web applications I have written and maintain.

If your application uses PDF to deliver content, then the 64-bit user should be using Adobe Acrobat 8.1+. According to Adobe “Adobe Acrobat 8.0 was not developed for the Windows XP x64”, but 8.1+ versions do support 64-bit machines. The latest version is 9.x, which supports 64-bit.

If your application uses Java Plug-in, then the 64-bit user needs to use a 32-bit browser and they will be good. According to www.java.com “Currently Java Plug-in, Java Web Start, and Java Control Panel are not available for 64-bit systems. However you can still download 32-bit version of JRE, in order to use Java Plug-in and Java Webstart on 64-bit systems.

Note: Make sure to have 32-bit version of browser installed on your 64-bit machine as the Java plug-in works only with 32 bit version of browser.”

So if you are using Adobe Acrobat or the Java Plug-in, you will not have any code changes! It just falls on the Help Desk to verify that the users follows the vendor's recomended configuration.

That's good news to me!

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