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You can use the same databases that you used for the ESB profile of WSO2 EI 6.5.0 with WSO2 EI 6.6.0. However, you need to first remove instances of Scheduled Tasks and Message Processing Processor Tasks that were stored in the registry database from WSO2 EI 6.5.0.


WSO2 EI 6.6.0 requires Message Processor Tasks to  to be stored in the registry using a new naming convention. The naming convention has changed from
TASK_PREFIX + messageProcessorName + taskNumber (in WSO2 EI 6.5.0) to TASK_PREFIX + messageProcessorName + SYMBOL_UNDERSCORE + taskNumber (in WSO2 EI 6.6.0).

When you run the following migration client, the existing Task references in the registry will be removed. Later in this migration guide, when you migrate the integration artifacts from your EI 6.5.0 instance to EI 6.6.0, new records will be created in the registry with the new naming convention.