Hi,
I can able to establish a connection between SOLMAN to SRM PRD,PI PRD.But i cant in ECC PRD. There is no restriction via firewall,port etc. apart from this where can we check.
Action Taken:
1) User having SAP_ALL
2) user having auth like S_RFCACL
3) changed the parameter like gw/acl_mode.
PFA.
Please share your valuable info.