Symptom
When executing an upgrade with Software Update Manager (SUM), the tool stops in phase MAIN_SWITCH/SUBMOD_SWITCH_KERNEL/KX_SWITCH:
Severe error(s) occurred in phase MAIN_SWITCH/SUBMOD_SWITCH_KERNEL/KX_SWITCH!
Last error code set: Failed to copy X files, check 'KX_SWITCH.LOG' for details
In log file KX_SWITCH.LOG, messages similar to the ones below can be found:
3 ETQ399 Copying file 'sapuxuserchk'.
3EETQ399 Cannot write to '/usr/sap/<sid>/SYS/exe/uc/linuxx86_64/sapuxuserchk': Permission denied
...
1EETQ399 Last error code set is: Failed to copy X files, check 'KX_SWITCH.LOG' for details
1EETQ204 Upgrade phase "KX_SWITCH" aborted with severe errors ("<timestamp>")
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Environment
Software Update Manager (SUM)
Product
Keywords
kernel switch, authorization, permission, failed to copy 1 files , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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