Webica.ini - Citrix Access to Local Resources

%windir%\webica.ini

405 = Full Access to Local Drives and Never Ask Me Again

Citrix - Check name of DSN file Citrix is referencing (ODBC)

Registry Key:
HKLM\Software\Citrix\IMA\DataSourceName

Citrix - Check whether a server is using Direct or Indirect mode to access Datastore

Registry Key:
HKLM\Software\Citrix\IMA\LastPSserver
If the value is a hostname other than the localhost, the datastore is being accessed via Indirect mode (i.e. locally hosted Access or MSDE database on one of the Citrix presentation servers). If the value is not present the server is using Direct mode.

When running in Indirect mode:-
HKLM\Software\Citrix\IMA\PSSERVER
This key indicates the server which is hosting the local access database.