Click OK to close the MDaemon Properties dialog.
Click OK to close the Permissions for MDaemon dialog and wait for the changes to take effect.
Enable Full Control under Allow for Network Service.Enable Full control under Allow for IUSR.Click OK to close the Select Users or Groups dialog.Navigate to the MDaemon directory (by default, 'C:\MDaemon').Next, update the NTFS permissionson the MDaemon directory: In the Name field, enter 'MDAirSync.dll'.Browse to 'MDaemon\WorldClient\HTML\MDAirSync.dll' (on the C:\ drive by default).In the Request Path field, enter 'MDAirSync.dll'.Browse to 'MDaemon\WorldClient\HTML\MDBIS.dll' (on the C:\ drive by default).In the Request Path field, enter 'MDBIS.dll'.On the Handler Mappings Actions menu on the right, click on 'Add Script Map.'.Click Yes on the dialog that asks 'Do you want to allow this ISAPI extension.'.Browse to 'MDaemon\WorldClient\HTML\WorldClient.dll' (on the C:\ drive by default).Under Executable, click the browse button (the button with '.').Change the value for the Request Path field from '*.dll' to 'WorldClient.dll'.Double click ISAPI-dll under the Enabled column.Verify the boxes for Read and Script are selected (checked), and select (check) the box for Execute.Click Edit Feature Permissions on the Actions pane.Click on the WorldClient site in the Connections pane.Select each existing Default document name and click Remove on the Actions pane.Set up the bindings as desired in the Binding section.Click the browse button (the button with '.') by Physical path and browse to the 'MDaemon\WorldClient\HTML' directory.This will also create an Application Pool by the same name as the web site (do not manually create an Application Pool). On the Connections pane, expand the node.Click Internet Information Services (IIS) Manager.
The following procedure will show you how to setup Webmail, ActiveSync, and/or BIS to run under IIS8 for Windows 2012 with the 64-bit version of MDaemon installed. 1099 MDaemon 64-bit - versions 16 and above - Run Webmail, ActiveSync, and/or BIS under IIS 8 in Windows 2012