scriptonia - Hi, Thank you very much for sharing this info. I had the same problem after implementing a custom membership provider and login page & web part, I was receiving ‘Exception … ArgumentException … encodedValue’ error message when signining out. By following the approach you’ve suggested, create a custom sign out page with the above code, it works. I found it also happens when you select ‘Sign In as a different user’ option from the Welcome menu. Did you find a solution for that? Thanks again!

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Hi,

Thank you very much for sharing this info. I had the same problem after implementing a custom membership provider and login page & web part, I was receiving ‘Exception … ArgumentException … encodedValue’ error message when signining out. By following the approach you've suggested, create a custom sign out page with the above code, it works.

I found it also happens when you select 'Sign In as a different user' option from the Welcome menu. Did you find a solution for that?

Thanks again!

No, I haven’t this exception in the sing in as a different user. Now I’m working in another project and can’t check it. Sorry. But if I find answer I will write to you. Thanks for question. SharePoint sometimes is very bad for our nervous.

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