Applies to TechNet and MSDN forums
You attempt to logon to either the MSDN or TechNet Forums and see the following error page:
Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine. Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".
<!-- Web.Config Configuration File -->
<configuration>
<system.web>
<customErrors mode="Off"/>
</system.web>
</configuration>
Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL.
<customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>
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This may be caused by a corrupt profile for the user account.
Change the screen name for the user account.
Ed Price - MSFT edited Revision 1. Comment: Title casing, tags
This situation was brought to me by a customer at TechEd 2013. He went through great effort to get this diagnosed and with such an easy resolution it seems only fair to post this in hopes that other people might benefit from his experience.