thank you so much for your fast responce. Here is the debug log:
[CONQUESTSRV1] DGATE (1.4.17beta3, build Tue Jul 02 09:22:00 2013, bits 32) is running as threaded server
[CONQUESTSRV1] Database type: built-in SQLite driver
[CONQUESTSRV1] User interface test: local server is running!
[CONQUESTSRV1] User interface test: local server is running!
[CONQUESTSRV1] set debug level from GUI
[CONQUESTSRV1] set debug log from GUI
[CONQUESTSRV1] set debug level from GUI
[CONQUESTSRV1] Connected by address: 0100007f
[CONQUESTSRV1] Testing transfer: '1.2.840.10008.1.2' against list #0 = '1.2.840.10008.1.2'
[CONQUESTSRV1] 0000,0002 18 UI AffectedSOPClassUID "1.2.840.10008.1.1"
[CONQUESTSRV1] 0000,0100 2 US CommandField 48
[CONQUESTSRV1] 0000,0110 2 US MessageID 7
[CONQUESTSRV1] 0000,0800 2 US DataSetType 257
[CONQUESTSRV1] 0002,0010 17 UI TransferSyntaxUID "1.2.840.10008.1.2"
[CONQUESTSRV1] 9999,0300 24 LO ConquestConsoleText "set debug level from GUI"
[CONQUESTSRV1] 9999,0400 12 LO ConquestConsoleComma "debuglevel:2"
[CONQUESTSRV1] set debug level from GUI
[CONQUESTSRV1] Connected by address: 0100007f
[CONQUESTSRV1] Testing transfer: '1.2.840.10008.1.2' against list #0 = '1.2.840.10008.1.2'
[CONQUESTSRV1] 0000,0002 18 UI AffectedSOPClassUID "1.2.840.10008.1.1"
[CONQUESTSRV1] 0000,0100 2 US CommandField 48
[CONQUESTSRV1] 0000,0110 2 US MessageID 7
[CONQUESTSRV1] 0000,0800 2 US DataSetType 257
[CONQUESTSRV1] 0002,0010 17 UI TransferSyntaxUID "1.2.840.10008.1.2"
[CONQUESTSRV1] 9999,0300 24 LO ConquestConsoleText "set debug level from GUI"
[CONQUESTSRV1] 9999,0400 12 LO ConquestConsoleComma "debuglevel:3"
[CONQUESTSRV1] set debug level from GUI
[CONQUESTSRV1] Connected by address: 0100007f
[CONQUESTSRV1] Testing transfer: '1.2.840.10008.1.2' against list #0 = '1.2.840.10008.1.2'
[CONQUESTSRV1] 0000,0002 18 UI AffectedSOPClassUID "1.2.840.10008.1.1"
[CONQUESTSRV1] 0000,0100 2 US CommandField 48
[CONQUESTSRV1] 0000,0110 2 US MessageID 7
[CONQUESTSRV1] 0000,0800 2 US DataSetType 257
[CONQUESTSRV1] 0002,0010 17 UI TransferSyntaxUID "1.2.840.10008.1.2"
[CONQUESTSRV1] 9999,0300 24 LO ConquestConsoleText "set debug level from GUI"
[CONQUESTSRV1] 9999,0400 12 LO ConquestConsoleComma "debuglevel:4"
[CONQUESTSRV1] set debug level from GUI
[CONQUESTSRV1] Connected by address: 7501a8c0
[CONQUESTSRV1] Testing transfer: '1.2.840.10008.1.2' against list #0 = '1.2.840.10008.1.2'
[CONQUESTSRV1]
[CONQUESTSRV1] UPACS THREAD 8: STARTED AT: Wed Jul 03 12:46:51 2013
[CONQUESTSRV1] A-ASSOCIATE-RQ Packet Dump
[CONQUESTSRV1] Calling Application Title : "OEC_9900 "
[CONQUESTSRV1] Called Application Title : "CONQUESTSRV1 "
[CONQUESTSRV1] Application Context : "1.2.840.10008.3.1.1.1", PDU length: 32768
[CONQUESTSRV1] Number of Proposed Presentation Contexts: 1
[CONQUESTSRV1] Presentation Context 0 "1.2.840.10008.5.1.4.1.1.12.1" 1
[CONQUESTSRV1] Server Command := 0001
[CONQUESTSRV1] Message ID := 0013
[CONQUESTSRV1] 0000,0002 28 UI AffectedSOPClassUID "1.2.840.10008.5.1.4.1.1.12.1"
[CONQUESTSRV1] 0000,0100 2 US CommandField 1
[CONQUESTSRV1] 0000,0110 2 US MessageID 19
[CONQUESTSRV1] 0000,0700 2 US Priority 0
[CONQUESTSRV1] 0000,0800 2 US DataSetType 0
[CONQUESTSRV1] 0000,1000 52 UI AffectedSOPInstanceU "1.2.840.113780.990001.9257043572.20130702123242.1.40"
[CONQUESTSRV1] 0002,0010 17 UI TransferSyntaxUID "1.2.840.10008.1.2"