Companies want to be in an already running IIS+.net on the server by another apache + PHP website, according to the online guide, after the modification of iis port found apache start is always an error: AH00015: Unable to open the logs, for a long time, according to online check with netstat - ano is occupied 80 port system process, and try the following methods:
1. The IIS service, outstanding;
2. Open RegEdit:
Find the HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/HTTP
Find a DWORD value Start, it changed to 0 restart, unresolved.
3. Equipped with sqlserver2008 system, there will be a used to reporting services services will account for this port, then stop the service, check with netstat - ano, it found that the port 80 is released, decisive and apache, success, and rev. Essentially a reporting services, and success!

Thank you for your selfless dedication experience IT counterparts, for beginners, the pit,