- During upgrade downtime, the Monitor tab for ABAP show "Waiting for synchronization event SAPJup_execute_syncevents_registered".
- Wait for a long time but the status has not change.
- In SAPup.log: Error message set: 'Error in network interface: NIECONN_BROKEN'
- In SAPupConsole.log: FATAL ERROR: Error in network interface: NIEINVAL
KBA NOTE UPG phase , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , Problem
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