SAPOSS connection error(NetWeaver 7.4 SR2)

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Hello there,

I have recently build the NetWeaver 7.4 SR2 (ABAP).

While checking SAPOSS rfc in transaction SM59, it is giving following error.

I already finished Performing Automated Initial Setup (using transaction STC01 -> SAP_BASIS_SETUP_INITIAL_CONFIG)

LogonConnection Error

Error DetailsError when opening an RFC connection (LB: Hostname or service of the message ser

Error DetailsERROR: *** ERROR ***

Error DetailsLOCATION: SAP-Server XXXXXXXXX_YYY_00 on host XXXXXXXXX (wp 0)

Error DetailsDETAIL: NiErrSet Error DetailsCOMPONENT: NI (network interface)

Error DetailsCOUNTER: 8 Error DetailsMODULE:

Error DetailsLINE:

Error DetailsRETURN CODE:

Error DetailsSUBRC: 0

Error DetailsRELEASE: 742

Error DetailsTIME: Tue Oct 18 08:29:50 2016

Error DetailsVERSION: 40

When I call transaction OSS1, it is giving following error.

- Unable to connect to SAPNet message server (Default connection will be used...) Message no. S1452

- partner '147.204.2.5:sapdp99' not reached

Regards,

Masaya