When installing CRM 2011,  several jobs (six of them) are automatically being created but remain in a pending status.

 

 

 

The CRM 2011 job editor displays some of these jobs:

 

 

 

 

 

 

 

 

The following post provides more details of the jobs and working with them. I will update this post in the near future about why this jobs are not configured out of the box:

http://blogs.msdn.com/b/crminthefield/archive/2012/04/26/avoid-performance-issues-by-re-scheduling-crm-2011-maintenance-jobs.aspx