There are always some solutions for changing Internet Settings and iwam_myserver account and password. After one trial, there is no useful solution. Finally, I found a good solution.
If you have modified the IE settings and the iwam_myserver account and password, and the IIS running page still displays the HTTP 500 error, try the following method:
1. In "start"-"Settings"-"Control Panel"-"Administrative Tools"-"service", view the Distributed Transaction Coordinator Service (DTC) whether or not the COM + Event System Service is started. If not, start both services. In addition, another problem occurs on my machine, that is, the DTC service cannot be started. At this time, the following two commands are executed in the CMD window:
(1) MSDTC-resetlog
(2). Net start MSDTC
After these two statements are executed, the DTC can be started successfully.
2. After performing the preceding operations, execute the following three commands in the CMD window:
(1), CD % WINDIR %/system32/inetsrv
(2) rundll32 wamreg. dll, createiispackage
(3) regsvr32 asptxn. dll
In these three commands, the createiispackage must be case-sensitive. Otherwise, an error occurs. After the preceding operations are completed, all my HTML and ASP pages are successfully run through IIS! I hope this will help you ~~~