NID Utility Failed With NID-00135 "There are 2 active threads"
Last updated on DECEMBER 14, 2017
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
Attempt to change a database DBID of a RAC database fails with "NID-00135: There are 2 active threads" even though cluster_database is set to false.
1. Shutdown all instances in the cluster (Make sure shutdown immediate is clean and not hung).
2. Startup mount only on one of the instances
3. Make the parameter cluster_database=false or try to comment all cluster related parameters.
CLUSTER_DATABASE is set to FALSE
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