IIS can not start the error in several cases summary

1, reset IIS IWAM account password and IUSR password. (Administrative Tools -> Computer Management -> Local Users and Groups -> User)
2, Synchronize the password of IWAM_MYSERVER in IIS metabase, in CMD: c:\\inetpub\\adminscripts>adsutil set w3svc/wamuserpass "yourpassword"< BR>3, IWAM_MYSERVER password used by the synchronous COM+ application, in CMD: c:\\inetpub\\adminscripts>cscript synciwam.vbs -v

If Error:80110414 error occurs
Component Service-> ; Computer -> My Computer -> COM+ Application -> IIS Out-Of-Process Pooled Applications -> Attribute -> ID. Enter the password you just set, OK to exit, and then execute cscript synciwam.vbs -v

Unexpected one: Run->cmd->Enter net start msdtc, if there is an error that the service cannot be started prompt.

Delete the keys in the registry:
HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\MSDTC
HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MSDTC
HKEY_CLASSES_ROOT\\CID
Stop the MSDTC service: net stop Msdtc
Uninstall MSDTC service: msdtc -uninstall
Reinstall MSDTC service: msdtc -install
Restart the computer
Start the service: net start msdtc

Unexpected situation 2: IIS appears The The specified module could not be found solution (remember to remove the "Show friendly http error message" in IE's advanced options)

iis website properties-> directory security-> anonymous access and authentication control
Remove the allowed iis control password

Unexpected situation 3: Unable to expand 'COM+ application'

MS DTC log file was deleted by mistake, cmd input msdtc -resetlog re-create log file < Br>

Unexpected situation four: 'COM+ application' cannot be found after expansion IIS Out-Of-Process Pooled Applications

Enter cd %windir%/system32/inetsrv
Enter rundll32 wamreg. Dll, CreateIISPackage
Note: You must type 'CreateII accurately SPackage’ is case sensitive
Enter regsvr32 asptxn.dll
Close and reopen 'Component Services'