When you are satisfied that HDP is successfully functioning with the data from your HDP 1.3, 2.0, or 2.1 cluster, finalize the upgrade.
![[Warning]](../common/images/admon/warning.png) | Warning |
|---|---|
Once you have finalized the upgrade, you cannot revert. |
Open a command prompt with the
hadoopuser in the HDFS Home directory:runas /user:hadoop "cmd /K cd %HDFS_HOME%\bin"Finalize the upgrade:
hdfs dfsadmin -finalizeUpgrade
