Machine Key during migration form IIS6 to 8.5

Posted on 2016-07-28
Last Modified: 2016-08-31

When migrate the web Site from IIS 6 to IIS 8.5 , how would I deal with machine key settings in web.config file.

what is the appropriate way to migrate this or should I just leave it as it is


Question by:toronto2456

Accepted Solution

chanderpal singh rathore earned 500 total points
ID: 41734184

You can either generate the machine key from the server having IIS8 from below URL and add this in your webconfig file :


You can go through the below link for most of the possible solutions for machine key error:


Author Comment

ID: 41734613
Thanks Chanderpal,

I am wondering , What happens if I just leave the machine key as it is without changing it.

If I just copy the web .config as it is. Since the machine key was generated for the old server, do you think it will break something



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