Solution : https://service.sap.com/sap/support/notes/548823 (SAP Service marketplace login required)
Key words :
operating system call gethostbyname failed, dbs/oledb/server = <dbserver>\<sid>, setdbs/mss/server = <dbserver>\<sid>, time report rscoll00 runs, os collector process running, terms named instance reason, named instance <dbserver>\<sid>, knownthe mssql database, 6x basis systems, xx basis systems
Related Notes :
| 496210 | INST: SAP WEB AS 6.20 on Windows - MS SQL Server |