ZCM 11.2.1 error after changing DLU policy

After changing cache details for DLU policy, policy is shown as "failed" if the user is still logged in, and a message similar to this is seen in zmd-messages.log, and the logged-in user is not prompted to logoff.

Exception Details: Item has already been added. Key in dictionary:
'isDLUVolatileCacheDisabled'  Key being added: 'isDLUVolatileCacheDisabled'
   at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean
add)
   at
Novell.Zenworks.PolicyHandlers.DLUPolicy.DLUPolicyHandler.ApplyPolicies(ApplyPolicyRequest
applyPolicyRequest)
   at
Novell.Zenworks.PolicyHandlers.BasePolicyHandler.ExecutePolicyOperation(PolicyRequest
req, Boolean& saveCachedData)] [] []
 [ERROR] [06/25/2012 06:31:51.443] [948] [ZenworksWindowsService] [40]
[shilpa1] [dlu policy]
[POLICYHANDLERS.CommonClasses.UnknownApplyPoliciesFailure]
[CommonClasses.UnknownApplyPoliciesFailure (DLU_U(1))] []
[63c58283d6096cf170bd953bbe5bcc74]

This is fixed in version 11.2.2 - see KB 7010757 "ZENworks Configuration Management 11.2.2 - update information and list of fixes" which can be found at https://support.microfocus.com/kb/doc.php?id=7010757

Workaround: if it is not possible to upgrade to ZCM 11.2.2 at this time, in the interim, Novell has made a Patch available for testing, as part of a Monthly patch update: it can be obtained at https://download.novell.com/Download?buildid=zKIz21tONFg~ as "ZCM 11.2.1 Monthly Update 2 - see TID 7010729". This update should only be applied if the symptoms above are being experienced, and are causing problems.Please report any problems encountered when using this Patch, by using the feedback link on this TID.


Workaround:
The message in the log can be ignored, and the correct caching details will be applied at the next login