IBM Support

Turn off Parallel Interaction when using Bulk Load mode in IBM Cognos TM1.



The IBM® Cognos® TM1® server may crash when Parallel Interaction is turned on and Bulk Load mode is used. In version 10.2.0 of Cognos TM1, Parallel Interaction is turned on by default.


The Cognos TM1 server crashes.


The server crashes if you create, update, or delete a cube when the server is in Bulk Load mode and Parallel Interaction is enabled.

Resolving The Problem

To use Bulk Load mode in Cognos TM1 version 10.2.0, first disable Parallel Interaction.

To disable, Parallel Interaction,

  1. Add the following configuration parameter to the the tm1s.cfg file for the target database: ParallelInteraction=F
  2. Stop and start the server for the setting to take effect.

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Document Information

Modified date:
15 June 2018