Error when trying to access new CRM install

[hayabusaukuk]

I have recently upgraded CRM to V4 and when trying to access the url i get the message below, anyone have any idea's?


Thanks






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

Cannot open database "Technologies_MSCRM" requested by the login. The login failed.
Login failed for user 'NT AUTHORITY\NETWORK SERVICE'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Cannot open database "Technologies_MSCRM" requested by the login. The login failed.
Login failed for user 'NT AUTHORITY\NETWORK SERVICE'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SqlException (0x80131904): Cannot open database "
Technologies_MSCRM" requested by the login. The login failed.
Login failed for user 'NT AUTHORITY\NETWORK SERVICE'.]