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Could we change the CMS admin login user cookie(.ASPXAUTH) name?


The scenario like following

We have a web site which is, also we have for user login.
We used to login CMS admin.

The problem is when we login, the login user cookie(.ASPXAUTH) domian is
In same time and same browser we login, it will have same name cookie(.ASPXAUTH) and domian is

Because is root domian, two cookies with same name will cause authentication confusion (1. Website .ASPXAUTH 2.CMS admin .ASPXAUTH ), one of them will not work when login to both, the first cookie will be used for both.

May 22, 2015 4:45

You can change the name of the cookie in the forms authentication section of web.config, see:

You can also explicitly set the domain the cookie, see:


May 26, 2015 22:00

@David Knipe 

Thanks for your feedback. But My scenario is not only change the cookie name. I use another way to sloved this.

Edited, Jun 03, 2015 4:50
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