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2306524 - CRR_CONTROL cancels due to error "ISU transfer job not running" at phase MAIN_DTTRANS/DOWNCONF_DTTRANS

Symptom

You have selected nZDM option (near-Zero Downtime Maintenance Technology) to run an upgrade/update.

When uptime processing is finished, you cannot start downtime due to the following error at phase MAIN_DTTRANS/DOWNCONF_DTTRANS:

The procedure has reached the end of the "Preprocessing" step.
Check status again
Before starting the downtime, the replication rate of recorded changes must reach at least 70 percent in the replication process of the Near Zero Downtime mode.
The current replication status is:
The replication process of the Near Zero Downtime mode is not running!

Before starting the downtime, the replication process must be started and the replication rate of recorded changes must reach at least 70 percent. See SAP note 1678564

If you log on the Shadow Instance and run t-code CRR_CONTROL, the transaction fails due to an error:

" ISU transfer job not running."


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Environment

SAP upgrade/update with nZDM.

Product

SAP NetWeaver all versions

Keywords

RSUPG_ISU_CRR; CRR_CONVERSION; start transfer; stop transer;  , KBA , BC-UPG-DTM-TLA , Downtime Minimization for ABAP , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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