BY Toomanyhat (http://www.eggheadcafe.com/software/aspnet/33829058/iis7-changing-the-regional-settings-for-the-network-service-accoun.aspx)
Of additional note is that the Application Pool Identity NETWORKSERVICE
applies to both the DefaultAppPool and the Classic .Net AppPool
But in a classic ASP web page a VBScript calling for
FORMATDATETIME(Date(),2) did not correct with a Short time setting to the
SID: S-1-5-20
Name: NT Authority
Description: Network Service
In order for the Classic .Net AppPool to respond it needed the following SID
adjusted as well.
SID: S-1-5-18
Name: Local System
Description: A service account that is used by the operating system.
for good measure I made the same change here
SID: S-1-5-19
Name: NT Authority
Description: Local Service
this is consistent with the value under
Navigate to HKEY_USERS.Default\Control Panel\International