1971720 - ERROR: 'Cannot list directory '/usr/sap/<SID>/SYS/exe/run': Too many levels of symbolic links' | SAP Knowledge Base Article

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1971720 - ERROR: 'Cannot list directory '/usr/sap/<SID>/SYS/exe/run': Too many levels of symbolic links'

Symptom

SAPup_troubleticket.log:
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SAPup broke during phase KX_SWITCH in module MAIN_SWITCH / Downtime I: Switch tables and KernelError Message: Cannot list directory '/usr/sap/ADG/SYS/exe/run': Too many levels of symbolic links
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KX_SWITCH.LOG:
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1 ETQ399 Cleaning up kernel directory '/usr/sap/ADG/SYS/exe/run'
2 ETQ399 Keeping 'INSTALL' if existant
2 ETQ399 Keeping 'uc' if existant
1EETQ399 Last error code set is 'Cannot list directory '/usr/sap/ADG/SYS/exe/run': Too many levels of symbolic links'
1EETQ204 Upgrade phase "KX_SWITCH" aborted with severe errors ("20140128115018")
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Keywords

upgrade, symbolic, link, logically, shared, directories, UPG, KBA , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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