Problema con IIS

[ChuyNorris]

Hola, estamos estrenando servidor en mi empresa y cambie mi aplicación del viejo server a este, y me arroja la siguiente pantalla:

Server Error in 'Sistema/' Application.
--------------------------------------------------------------------------------

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: An error occurred loading a configuration file: Failed to start monitoring changes to 'C:\inetpub\wwwroot\Sistema\wlogin.aspx' because access is denied.

Source Error:


[No relevant source lines]


Source File: C:\inetpub\wwwroot\Sistema\wlogin.aspx\web.config Line: 0


No tengo idea de que pueda ser, ayudenme por favor :S !!!