This articleArticleIt is only useful after you have read other solutions that cannot be solved.
So before using another solution, if the solution is still invalid, please do it yourself.
Original:
. Net2.0 and. net3.5ApplicationProgramIn the Start Menu, openVisual Studio XXXX Command Prompt
Enter the following command:Aspnet_regiis-I-enable
. Net4.0 and. net4.5In the application pool, openVisual Studio XXXX Command Prompt
Enter the following command:Aspnet_regiis-I-enable
Wait until the installation is complete. Open the website and complete the installation.
Reprinted from Bright Zhang cnblogs solution 1: http://www.cnblogs.com/lovvver/archive/2011/07/12/2103584.html
Reprinted from smeyou csdn solution 2 (with diagram): http://blog.csdn.net/smeyou/article/details/7534700
Solution to iis7.0 errors IIS status code: Detailed IIS error code and Explanation"
Do not delete the following lines. Thank you !!!
Link: http://www.cnblogs.com/VAllen/archive/2012/11/22/HTTP503.html