You have imported your workflow to the SCSM but it doesn’t work. When you check Operations Manager log you find exception:

Log Name:   Operations Manager
Source:      SMCMDB Subscription Write Action Module
Date:          5/3/2012 10:51:59 PM
Event ID   33617
Task Category: –
Level:       Error
Keywords:Classic
User:  N/A
Computer:     *
Description:
The database subscription Windows workflow configuration is not valid.
The following errors were encountered:
Exception message: Subscription configuration error. Error reading WorkflowParameter element. Error message: WorkflowParameter

One or more subscriptions were affected by this. 

Subscription name: %ID_OF_YOUR_WORKFLOW%
Instance name: Subscription Workflow Target
Instance ID: %ID%
Management group: %MG%

One of reason is a EnableBatchProcessing parameter. For workflow what use the Microsoft.EnterpriseManagement.SystemCenter.Subscription.WindowsWorkflowTaskWriteAction write module this parameter must be set to false or deleted (it’s default value false):