ISS migration from IIS 6 to IIS 8.5 rendering problems

Hi


I have migrated 2 sites both on IIS 6 running .NET version 2. I have migrated them to the IIS 8.5 using .NET version 2 classical application pool.

Sites are working but there are some rendering problems like Grumbled display.

any idea what might have caused this

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toronto2456Asked:
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Miguel OzConnect With a Mentor Software EngineerCommented:
My suggestion will be to compare the generated output of both IIS6 and new IIS 8.5. (On your browser use view source)
Display issues are typically front end problems (and comparing the generated HTML is a start as well as checking that all relevant CSS/JS files are loaded ) not IIS issues unless there is missing setup and/or missing files in your new server. If the former is the case then you need to include the xml configuration files of both IISs for comparison. (after removing sensitive info like passwords and machine key)
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toronto2456Author Commented:
Hi Miguel ,

Thanks for sharing the information.

I Have just received a screen shot from a user showing that pull own menu is coming correctly , but not able to reach the guy to ask which version of browsers

This shows me that the problem should be with the end- client, browser settings.

for internet explorer and chrome, do you know if there are settings that need tweaking for the website dipslay correctly on the browsers.

Thanks

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Miguel OzSoftware EngineerCommented:
Front end issues could end up in being separate questions or an upgrade project in itself and it needs to be resolved in a case by case basis as well as it depends how you build your current web pages. (For example if your pages are build in the old style targeting IE6/7, they may not work correctly in new browsers like Edge, Firefox or Chrome)
For IE browser you need the version as well as whether they are running in compatible mode/ e.g. IE 11 can run in IE7 or IE8 emulation mode - which in your case it is recommended especially if your html is old (Not pure HTML 5)
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toronto2456Author Commented:
Thanks Miguel,

I will try it

Thanks

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