Error 12551



Message text

Warning: Failed to start a recovery task.


Adaptive Server failed to initialize a parallel recovery task. The recovery will continue with the available parallel recovery tasks. If there are no parallel recovery tasks, Adaptive Server will recover the databases in serial mode.


The current start up of the Adaptive Server recovery will proceed, however Adaptive Server may have problems spawning other tasks. It may be necessary for you to increase the configuration parameter number of user connections to make sure sufficient resources are available to the server.

Additional information

If the 12551 error persists, it may be necessary to gather a configurable shared memory dump (CSMD). Information about CSMD can be found in the section “Other Useful Tasks” in the Troubleshooting and Disaster Recovery guide.

Versions in which this error is raised

Version 12.5.1 and later