XenApp 6.5 AppCenter missing hotfixes

Ran into a problem while creating a XenApp 6.5 report, where some hosts did not show any hotfixes installed in AppCenter. 


  • Windows 2008 R2
  • Citrix XenApp 6.5 Hotfix Rollup Pack 1
  • PVS 6.1.16


  • Close AppCenter
  • Open command line on the affected hosts (in my case, our XML brokers)
  • Recreate the Local Host Cache by typing dsmaint recratelhc
  • Reopen AppCenter

Running dsmaint recratelhc performs three actions:

  • Sets the value of the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\IMA\ RUNTIME\PSRequired to 1.
  • Deletes the existing local host cache (Imalhc.mdb)
  • Creates an empty local host cache (Imalhc.mdb) for the IMA Service on a server to synchronize correctly with the data store (XenApp DB)

Refreshing the Local Host Cache

You can also force a manual refresh of a server’s local host cache by executing dsmaint refreshlhc from a command prompt. This action forces the local host cache to read all changes immediately from the farm’s data store. Refreshing the local host cache is useful, for example, if the Citrix Independent Management Architecture (IMA) Service is running, but published applications do not appear correctly when users browse for application sets.

About CyberRuiz
Highly motivated with over 12 years experience on Citrix/VMWare/Microsoft/technologies. Exceptional communication skills and team player. CCIA – Citrix Certified Integration Architect. CCEA – Citrix Certified Enterprise Administrator. VCP – VMWare Certified Professional in ESX 2.x, VI3, VI4 MCSE – Microsoft Certified Systems Engineer

2 Responses to XenApp 6.5 AppCenter missing hotfixes

  1. Juanito..! says:

    Very good finding… Thanks

  2. Warren says:

    Thanks Daniel this is really useful. We should work together

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