Access Denied for Components
If you're seeing the following error, the IIS_IUSRS user group doesn't have access rights to components:
The following steps should solve the issue:
1. Open the Component Services application. It can be found in Start > Control Panel > Administrative Tools > Component Services.
2. In the left most menu, select Component Services > Computers. Right-click My Computer and click Properties.
3.Open the COM Security tab.
4.In the Access Permissions section, click Edit Defaul...