IIS 6.0 site in Windows Shared Hosting is shown "Service Unavailable" error.
The following error appears in Event Viewer:
Event Type: Error Event Source: W3SVC Event Category: None Event ID: 1002 Date: 11/13/2013 Time: 2:11:49 PM User: N/A Computer: HOSTNAME Description: Application pool 'shared_asp.net2_pool-XXXX' is being automatically disabled due to a series of failures in the process(es) serving that application pool.
This issue may occur if the NT AUTHORITY\NETWORK SERVICE account does not have the permissions to the required registry keys.
Please use Microsoft Knowledge Base article http://support.microsoft.com/kb/885654 for troubleshooting.