solman system the RFC SAP-OSS give this error while connectin testing

Hi expets,

in out solman system the RFC SAP-OSS give this error while connectin testing.

Logon     Connection Error

Error Details     Error when opening an RFC connection

Error Details     ERROR: SNC processing failed: SncProcessOutput

Error Details     LOCATION: SAProuter 38.10 on 'oserouter'

Error Details     DETAIL: NiSncIInitHdlSecurity: sncrc=-4;002FF3A8

Error Details     COMPONENT: NI (network interface)

Error Details     COUNTER: 228461

Error Details     MODULE: nisnc.c

Error Details     LINE: 1096

Error Details     RETURN CODE: -104

Error Details     SUBRC: 0

Error Details     RELEASE: 700

Error Details     TIME: Fri Jan 13 10:27:31 2012

Error Details     VERSION: 38

ans same error comes in SAPNET_RFC,SAPOSS,,SDCC_OSS,SAPNET_RTCC

Please give me soltuin to fix this issue.

Rgards,