1848998 - BI Connection to BW and Connect to SAP Gateway Failed

• Error : JCO server is dead / could not start JCo Server
• hostname 'xxxxxxx' unknown
• service 'sapgw00' unknown
• Error : Connect to SAP gateway failed found in dev_jco_rfc.trc see detailled error below :

Additionally, the dev_jco_rfc.trc entry on the BI server:

Error:  >Wed Apr 03 16:09:50,401<    RfcException: [null] message: Connect to SAP gateway failed
     Connection parameters: TPNAME=DF_JCO_XXXXXXXX_0 GWHOST=xxxxxxx GWSERV=3300

ERROR       hostname 'xxxxxxx' unknown
TIME        Wed Apr 03 16:09:50 2013
RELEASE 720
COMPONENT   NI (network interface)
VERSION     40
RC          -2
MODULE      ninti.c
LINE        895
DETAIL NiPGetHostByName: 'xxxxxxx' not found
SYSTEM CALL getaddrinfo
COUNTER     16

     Return code: RFC_FAILURE(1)
     error group: 102
     key: RFC_ERROR_COMMUNICATION

• SAP BusinessObjects Business Intelligence platform 4.x
• Information Design Tool (IDT)
• Data Federation Administration Tool (DFAT)
• SAP Netweaver BusinessWarehouse (BW)

gateway services , Error JCO server is dead , could not start JCo Server , Connect to SAP gateway failed, Host unknown, biSL , KBA , BI-BIP-IDT , Information design tool , Problem