XI 3.0 Scheduled Reports Stay As Pending

I have a brand new install of BOXI 3.0 with FP1 and SAP Integration KIT.

When I schedule a report in WebI (using eFashion as universe) as Run Now or Run Once the report goes in as pending and stay as pending.

I have tried restarting the SIA, recreating the WebI processing server and recreating the Adaptive job server to no avail.

I've seen blogs suggesting issues with DB Connectivity associated with this symptom however I'm discounting that on the grounds that the SQL Server instance for the Repository DB Server is on the same box as the Business Objects install

Another item that may be relevant is that this machine is quite slow.

Does anyone have any ideas?

JB