[PROBLEM] NFS_SERVICE failed

[nsviper]

XBian Version : 1.0a5
Overclocking : No
Power supply : D-Link DUB-H7 7 - Port USB 2.0 Hub External
Network connection : LAN 200mb powerline adapters
SD Card : 16GB SD HC

Log Extract:

19:01:48 T:2970612800 DEBUG: CecLogMessage - >> Audio (5) -> Broadcast (F): report physical address (84)
14:28:39 T:3042041856 DEBUG: CGUIMediaWindow::GetDirectory (nfs://192.168.0.100/MediaShare/Movies/HD/Avatar/)
14:28:39 T:3042041856 DEBUG: ParentPath = [nfs://192.168.0.100/MediaShare/Movies/HD/]
14:28:39 T:2848547904 DEBUG: Thread Background Loader 2848547904 terminating
14:28:39 T:2848547904 NOTICE: Thread Jobworker start, auto delete: true
14:28:39 T:2848547904 ERROR: Failed to open(//Movies/HD/Avatar/) nfs_service failed
14:28:39 T:3042041856 ERROR: GetDirectory - Error getting nfs://192.168.0.100/MediaShare/Movies/HD/Avatar/
14:28:39 T:3042041856 ERROR: CGUIMediaWindow::GetDirectory(nfs://192.168.0.100/MediaShare/Movies/HD/Avatar/) failed
14:28:39 T:3042041856 DEBUG: CGUIMediaWindow::GetDirectory (nfs://192.168.0.100/MediaShare/Movies/HD/)
14:28:39 T:3042041856 DEBUG: ParentPath = [sources://video/]
14:28:39 T:2848547904 ERROR: Failed to open(//Movies/HD/) nfs_service failed
14:28:39 T:3042041856 ERROR: GetDirectory - Error getting nfs://192.168.0.100/MediaShare/Movies/HD/
14:28:39 T:3042041856 ERROR: CGUIMediaWindow::GetDirectory(nfs://192.168.0.100/MediaShare/Movies/HD/) failed
14:28:39 T:3042041856 DEBUG: OnKey: 167 (a7) pressed, action is Down
14:29:09 T:2848547904 DEBUG: Thread Jobworker 2848547904 terminating (autodelete)

2 ATv2's running same version of XBMC all work fine.

Have also tried connecting the rPi with this v of xbian to the central MySQL database I have but thats failing - will create seperate thread for that.

Any ideas?