I would like to share authentication tickets between two or more applications running on the same server. In all the documentation I have seen, the recommendation is the create a custom random key for the validationKey and decryptionKey attributes of the machineKey element in teh Web or machine .config files. This is because using the default of "AutoGenerate, IsolateApps" generates a unique key for each application on the server. However I have found it is possible to simply remove the IsolateApps modifier and use just "AutoGenerate". When I do this I can redirect my user from one app to the other with needing to re-authenticate the user already logged in. IE my authentication tickets can be used for either application. I am not sure why this would be a problem or why all of the documentation says you have to generate your own custom keys. Does anyone have any info I cannot find o ...
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