Solution : https://service.sap.com/sap/support/notes/956870 (SAP Service marketplace login required)
Key words :
\usr\sap\<sid>\<instanz>\j2ee\os_libs, abap sap central service, operating system evenly distributes, support package stack 18 nw04s, support package stack lower, enque/server/max_requests parameter, called standalone enqueue server, sap central services, asynchronous communication enqueue client, support package stack 09
Related Notes :
| 957514 | CST Patch Collection 26 2006 |
| 881468 | Could not acquire EOIO sequenceID lock within timout period |