N2W Software

            S3 Backup may fail after upgrade to v2.6 with the error "Error - Workers could not be launched"

            S3 Backup may fail after upgrade to v2.6 with the error "Error - Workers could not be launched".
            This issue may happen if subnet is set to "Any" in the worker configuration.

            The following errors may be logged in the Backup Log:
            Info - Starting copy to S3
            Error - Failed to launch worker in region US East (N. Virginia)
            Error - Workers could not be launched
            Error - Backup copy failed


            The following errors may be logged in the CPM Server logs:
            ERROR:  launch_instance(worker_utils.py:98)  Failed to launch instance
            Traceback (most recent call last):
              File "./cpmserver/cpm/workers/worker_utils.py", line 89, in launch_instance
              File "./common/aws_utils.py", line 1626, in call_boto_with_retry
            ClientError: An error occurred (InvalidParameter) when calling the RunInstances operation: Security group sg-12345678 and subnet subnet-98765432 belong to different networks.
            ERROR:  launch_worker(worker_utils.py:361)  Failed to launch worker instance


            If you encounter this error, please upgrade to the latest  2.X.X version.

            Reference defect number – N2WS-8463, fixed in v2.6.0a
            Link to Release Notes and the latest patch – https://support.n2ws.com/portal/kb/articles/release-notes-for-the-latest-v2-6-x-cpm-release

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