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2544504 - Invalid migration key because of "This export has unsupported format V1.## (maximum supported is V1.##)"


During the Database installation/import phase of a heterogeneous system copy, the import stops with an error "The first connect with R3load was not successful".
This happens after you provided the generated migration key to SWPM.


According to SAP KBA 1899381 - How to check Migration Key issues - System Copy you check the log files.
File test_MIGKEY.LOG shows the actual error:


(GEN) ERROR: (TOC) This export has unsupported format V1.13 (maximum supported is V1.10)


(GEN) ERROR: (TOC) This export has unsupported format V1.16 (maximum supported is V1.14)



  • Any Operating System
  • Any RDBMS
  • NetWeaver 7.0 or higher based system 


SAP NetWeaver 7.1 ; SAP NetWeaver 7.2 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 3 for SAP NetWeaver 7.0


system copy, migration, migkey, migrationkey, migration key, 1EEGEN 000 Unsupported format version , KBA , BC-INS-MIG , OS/DB Migrations with SWPM and DB refresh , BC-INS-MIG-TLA , R3load, R3ldctl, R3szchk , Problem

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