HTTP Error 503.0 - Service Temporarily Unavailable
503 Service Temporarily Unavailable
Most likely causes:
An invalid identity in the application pool could cause this error.
The application pool is no longer running because of configuration or reaching application failure limits.
The concurrent application request limit was reached.
Things you can try:
Check the event logs and the HTTP error logs for more information.
Detailed Error Information:
Module
RewriteModule
Notification
BeginRequest
Handler
StaticFile
Error Code
0x00000000
Requested URL
http://www.ss-it.co.th:80/img/common/tha/tsy-z4o2os.html
Physical Path
D:\Inetpub\vhosts\ss-it.co.th\httpdocs\img\common\tha\tsy-z4o2os.html
Logon Method
Not yet determined
Logon User
Not yet determined
More Information:
This error occurs when the worker process was unable to start. This could be due to an invalid identity or configuration, or because the concurrent request limit was reached.
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