We are having an issue where our users can no longer login. When they attempt to login, there presented with:
Someone is already using this username and password from another computer or browser.
To proceed, you need to log him/her off.
When they click the "Log the other user off and enter" button and confirm the popup, they are simply redirected back to the login page, with the following message:
You have been logged out from another computer or browser window.
If they enter the username and password again, the same cycle happens. This is happening across multiple browsers on multiple computers. The only way I've been able to logon is when browsing the site through the server. Any remote browser has this issue.
EDIT: Seems that Firefox 11 and IE8 are OK. Chrome and IE9 are having this issue.
I've even forced logged out the users with an admin account with no help. We've reset IIS, cleared cache, etc, etc... but can't seem to figure this issue that has appeared out of nowhere.
We are running 5.0.2800.0. Please help.