i get this warnings in the accd.log:
2009:10:30-11:56:10 acc accd: 3801492 [0xa221fba0] WARN server.vpn.VpnMonitoringUpdateAction null - Tunnel REF not found
2009:10:30-11:56:11 acc accd: 3802539 [0xa9a2eba0] WARN server.vpn.VpnMonitoringUpdateAction null - Tunnel REF not found
2009:10:30-11:56:11 acc accd: 3802539 [0xa9a2eba0] WARN server.vpn.VpnMonitoringUpdateAction null - Tunnel REF not found
Maybe problems with the device agent?