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## csscan is being desupported for the current release of 11GR2
CSSCAN is being desupported starting with the upcoming release, i.e. 12.1. It will no longer be provided with the database. The use of CSSCAN 11.2 or older with RDBMS 12.1 will not be supported.
CSSCAN is supported for all currently supported RDBMS releases and their patch sets and it will be supported for those releases as long as they are supported.
On the other hand, we do recommend the DMU for all migrations (to AL32UTF8) of RDBMS 18.104.22.168 and selected older releases (as documented on the OTN DMU pages).