We have a web application which is changing to a new page using response.redirect("MainMenuPage.aspx"). It is running under framework 3.5.
The code has been working for years on 2.0 and 3.5 running on Windows2003. Now we migrated it to 2008R2 we have some problems.
The code is running ok on Windows7 Visual Studio 2010 in debug mode.
On the server there is no error logged.
Symptom is that when the user is redirected to the main menu page, the hour glass comes on the browser and nothing else happens for about 1 hour, then the browser returns a dns error.
As this does not occur in debug and and there is no error on the server, it is quite difficult to see what the problem is, but we are fairly sure it is coming from the response.redirect line.
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