Assume that you apply a set of health rules in SharePoint Health Analyzer to automatically defragment the property store in Microsoft SharePoint Server 2010. When SharePoint Health Analyzer runs these rules, they check the property store status but they do not automatically defragment the property store.
To resolve this issue, apply the following hotfix updates:
2536591 Description of the SharePoint Foundation 2010 hotfix package (sts-x-none.msp): June 30, 2011
2536588 Description of the SharePoint Server 2010 hotfix package (osrchwfe-x-none.msp): June 28, 2011
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.