Solution : https://service.sap.com/sap/support/notes/605798 (SAP Service marketplace login required)
Key words : 
sap crm/srm server instance installation 4      post-installation 5      miscellaneous 1 pre-installation ------------------------<d026446, contents   date     section   description_______________________________________________________________________ 28/jul/04     2      ms sql server, sap crm/srm server instance installation ------------------------<d027120, ms sql server onlyin section, installation guide - sap crm/srm server 4, microsoft sql server installation program, replaces existing installation master dvds, slots [icxxthr31][thr 3928] error => icmwatchdogthread, basis/aba support package 20 installed, adapt ddic tables24/feb/03    2+3     oracle
Related Notes : 
       
| 604746 | SAP CRM 4.0: Information on Installation | 
| 496251 | INST: SAP Web AS 6.20 on Windows - General |