ISAPI and CGI Restrictions

For IIS versions higher than 7.0 there is an extra setting needed to make sure your ISAPI module can be loaded by the IIS server. To adjust this setting, open IIS Manager and select ISAPI and CGI Restrictions for the root server.

ISAPI and CGI Restrictions

1

Option: Allow all unspecified ISAPI modules

Double-click on the ISAPI and CGI Restrictions icon to open the feature.

ISAPI and CGI Restrictions view

To enable all ISAPI modules by default, select Edit Feature Settings... and check Allow unspecified ISAPI modules.

Allow unspecified ISAPI modules

2

Option: Add ISAPI modules individually

If you prefer to add modules one by one, click Add and register each ISAPI module manually.

Add ISAPI module

Example of adding an ISAPI module:

Adding module example