$ 0 0 Were some firewall/network settings changed recently?Did someone update some SAProuter data?Are certificates up-to-date? Read SAProuter Prerequisites SAProuter Detailed Configuration Set Up Security Service Connector SAProuter Certificates Line Opener Program OSS766505 - OSS1: Changes to RFC connection SAPOSS2000132 - Configuring RFC connections to the SAPNet R/3 front end (OSS) correctly2191130 - Problems with the SAPOSS connection Regards,Raymond