I have attached the SyLinkMonitor dump.
03/31 13:06:33 [1236] <CheckHeartbeatTimer>====== Heartbeat loop starts at 13:06:33 ======
03/31 13:06:33 [1236] <GetOnlineNicInfo>:Netport Count=1
03/31 13:06:33 [1236] <GetOnlineNicInfo>:NicInfo<SSANICs><SSANIC Ip="10.54.30.127" Mac="00-10-dc-e6-11-50" Gateway="10.54.30.254" SubnetMask="0.0.0.0"/></SSANICs>
03/31 13:06:33 [1236] <CalcAgentHashKey>:CH=D15E21170A320BC200EA01D74072E6731ESSE3WKS2648es.eu.sitel.biz78EB804FEF2FD6F26C8DA49DDC559D2F
03/31 13:06:33 [1236] <CalcAgentHashKey>:CHKey=A5D921C6BAEB233174BA7A1D35617334
03/31 13:06:33 [1236] <CalcAgentHashKey>:C=D15E21170A320BC200EA01D74072E6731ESSE3WKS2648es.eu.sitel.biz
03/31 13:06:33 [1236] <CalcAgentHashKey>:CKey=BFA2568DE8A47FF5AC239662AF27E449
03/31 13:06:33 [1236] <CalcAgentHashKey>:UCH=D15E21170A320BC200EA01D74072E6730AdministradorLocalComputerESSE3WKS2648es.eu.sitel.biz78EB804FEF2FD6F26C8DA49DDC559D2F
03/31 13:06:33 [1236] <CalcAgentHashKey>:UCHKey=4B3615D04EBDE4517D8F2DEB39551067
03/31 13:06:33 [1236] <CalcAgentHashKey>:UC=D15E21170A320BC200EA01D74072E6730AdministradorLocalComputerESSE3WKS2648es.eu.sitel.biz
03/31 13:06:33 [1236] <CalcAgentHashKey>:UCKey=CB6B6C452B0260686FE34B3598E24E69
03/31 13:06:33 [1236] <DoHeartbeat>HardwareID=78EB804FEF2FD6F26C8DA49DDC559D2F
03/31 13:06:33 [1236] <DoHeartbeat>CHKey=A5D921C6BAEB233174BA7A1D35617334
03/31 13:06:33 [1236] <DoHeartbeat>CKey=BFA2568DE8A47FF5AC239662AF27E449
03/31 13:06:33 [1236] <DoHeartbeat>UCHKey=4B3615D04EBDE4517D8F2DEB39551067
03/31 13:06:33 [1236] <DoHeartbeat>UCKey=CB6B6C452B0260686FE34B3598E24E69
03/31 13:06:33 [1236] <DoHeartbeat> Set heartbeat event
03/31 13:06:33 [1236] Use new Location Communication Setting
03/31 13:06:33 [1236] <CSyLink::IndexHeartbeatProc()>
03/31 13:06:33 [1236] <IndexHeartbeatProc> Got ConfigObject to proceed the operation.. pSylinkConfig: 01CD7150
03/31 13:06:33 [1236] <IndexHeartbeatProc>====== Reg Heartbeat loop starts at 13:06:33 ======
03/31 13:06:34 [1236] HEARTBEAT: Check Point 1
03/31 13:06:34 [1236] Get First Server!
03/31 13:06:34 [1236] HEARTBEAT: Check Point 2
03/31 13:06:34 [1236] <PostEvent>going to post event=EVENT_SERVER_CONNECTING
03/31 13:06:34 [1236] <PostEvent>done post event=EVENT_SERVER_CONNECTING, return=0
03/31 13:06:34 [1236] HEARTBEAT: Check Point 3
03/31 13:06:34 [1236] <IndexHeartbeatProc>Setting the session timeout on Profile Session to 30000
03/31 13:06:34 [1236] HEARTBEAT: Check Point 4
03/31 13:06:34 [1236] <IndexHeartbeatProc>===Get Index STAGE===
03/31 13:06:34 [1236] ************CSN=246
03/31 13:06:34 [1236] <mfn_MakeGetIndexUrl:>Request is: action=12&hostid=6B9D1EE70A326487009F3E957EF8A432&chk=A5D921C6BAEB233174BA7A1D35617334&ck=BFA2568DE8A47FF5AC239662AF27E449&uchk=4B3615D04EBDE4517D8F2DEB39551067&uck=CB6B6C452B0260686FE34B3598E24E69&hid=78EB804FEF2FD6F26C8DA49DDC559D2F&groupid=D15E21170A320BC200EA01D74072E673&mode=0&hbt=3600&as=246&cn=[hex]4553534533574B5332363438&lun=[hex]41646D696E6973747261646F72&udn=[hex]4C6F63616C436F6D7075746572
03/31 13:06:34 [1236] <GetIndexFileRequest:>http://10.53.100.104:8014/secars/secars.dll?h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
03/31 13:06:55 [1236] <GetIndexFileRequest:>SMS return=502
03/31 13:06:55 [1236] <ParseHTTPStatusCode:>502=>Uninterpreted Status
03/31 13:06:55 [1236] HTTP returns status code=502
03/31 13:06:55 [1236] <GetIndexFileRequest:>RECEIVE STAGE COMPLETED
03/31 13:06:55 [1236] <GetIndexFileRequest:>COMPLETED
03/31 13:06:55 [1236] <IndexHeartbeatProc>GetIndexFile handling status: 502
03/31 13:06:55 [1236] <IndexHeartbeatProc>Switch Server flag=1
03/31 13:06:55 [1236] HEARTBEAT: Check Point 5.1
03/31 13:06:55 [1236] <ScheduleNextUpdate>new scheduled heartbeat=64 seconds
03/31 13:06:55 [1236] HEARTBEAT: Check Point 8
03/31 13:06:55 [1236] Get Next Server!
03/31 13:06:55 [1236] <IndexHeartbeatProc>switch to another server
03/31 13:06:55 [1236] <DecrementScheduleTime:>New scheduled heartbeat=32 seconds
03/31 13:06:55 [1236] HEARTBEAT: Check Point 1
03/31 13:06:55 [1236] HEARTBEAT: Check Point 2
03/31 13:06:55 [1236] <PostEvent>going to post event=EVENT_SERVER_CONNECTING
03/31 13:06:55 [1236] <PostEvent>done post event=EVENT_SERVER_CONNECTING, return=0
03/31 13:06:55 [1236] HEARTBEAT: Check Point 3
03/31 13:06:55 [1236] <IndexHeartbeatProc>Setting the session timeout on Profile Session to 30000
03/31 13:06:55 [1236] HEARTBEAT: Check Point 4
03/31 13:06:55 [1236] <IndexHeartbeatProc>===Get Index STAGE===
03/31 13:06:55 [1236] ************CSN=247
03/31 13:06:55 [1236] <mfn_MakeGetIndexUrl:>Request is: action=12&hostid=6B9D1EE70A326487009F3E957EF8A432&chk=A5D921C6BAEB233174BA7A1D35617334&ck=BFA2568DE8A47FF5AC239662AF27E449&uchk=4B3615D04EBDE4517D8F2DEB39551067&uck=CB6B6C452B0260686FE34B3598E24E69&hid=78EB804FEF2FD6F26C8DA49DDC559D2F&groupid=D15E21170A320BC200EA01D74072E673&mode=0&hbt=3600&as=247&cn=[hex]4553534533574B5332363438&lun=[hex]41646D696E6973747261646F72&udn=[hex]4C6F63616C436F6D7075746572
03/31 13:06:55 [1236] <GetIndexFileRequest:>http://esse3srv104:8014/secars/secars.dll?h=D28517112A321AFFCBF826EA2F62408B3F36874FA6B476EB15A35EF5F83E2A000400EEE850C61327DA75E16C76D27FCBBB631E03B785A0ECD37686A45BC20547B66AAF0E8DE7252138DE766806CA28954BF14082A8C61A4DF7ADE23E71B93B8342D7CD753C0DB1D6CC74175F2C3896C651C9E55E7C3C5ED4E19CAF9EB1DF699CF684B241622549C01714D15757004D2B23706E364102A20EF6F61ED4D0F4E79F003ABE61ADFAB1DFB3DC5C40697C95024994A6A739ADE0CB976865C398DA79C1D33131640D616A9878FEB2D8358F39CA7A7332D17AFC3D7596FCA29D7D0A7D021906A58AEBC3534B4749E7FE541C24EC7F50BB9EE48C143F474B719423B2D74C284C714BC16596E2B2C9CCB1127A8C668EEFFA737205EE41E0372299CB1A4CA526798E9CE4C3B1829B1E2638084EBAC869100DA3F2BCE4853C24E9967C6310E3F35BCC9D8623340FAEA8A2980047ACBA4D58C16679CEDFCB80A8BAD124F1F122E4FA291A6A58D9E732F40CE90246375A19F9309FF94CF8638E573CD6B2E1402BC790C3B1B543685A81955C77AC0817D6468611201E4F2A7B06E3DF1CB5186488
03/31 13:06:57 [388] <CSyLink::mfn_DownloadNow()>
03/31 13:06:57 [388] </CSyLink::mfn_DownloadNow()>