SAP Knowledge Base Article - Preview

2281105 - RAC instance startup fail with ORA-00304


While performing a system copy or a new installation, you will see the following error in sapinst_dev.log:

Last error reported by the step: SQL statement or script failed. DIAGNOSIS: Error message:
ORA-00304: requested INSTANCE_NUMBER is busy

 The same ORA error will be reported in ora_sql_results.log.



  • Oracle RAC as of 11g
  • Any SAP system
  • Any OS platform


SAP NetWeaver all versions


real application cluster clustered crs grid infrastructure oracle unix linux windows sapinst migration installation system copy export import backup restore , KBA , BC-DB-ORA-RAC , Real Application Clusters (RAC) , BC-INS , Installation Tools (SAP Note 1669327) , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.