Solution : https://service.sap.com/sap/support/notes/1850046 (SAP Service marketplace login required)
Key words :
sap netweaver exchange infrastructure, terms runtime workbench, adapter status reason, central integration server, local integration engine, relevant support package, edit messages manually, archives edited messages, manually edited messages, exchange infrastructure
Related Notes :
872388 | Troubleshooting Archiving and Deletion in PI |