Local Host Cache

The local host cache (LHC) contains a subset of the data contained in the data store and exists on each XenApp server in the farm, providing each member server with quick access to data.

• Information about all servers in the farm
• Information about all published applications in the farm
• All Windows network domain trust relationships in the farm

DSMaint verifylhc

• Verifies the integrity of the LHC

DSMaint veryfylhc /autorepair

• The local host cache is automatically recreated if it is found to be corrupted

DSMaint recreatelhc

• Recreate local host cache

Running the DSMaint recreatelhc command does the following actions:

• Sets the value of the registry key
  HKLM\Software\Wow6432Node\Citrix\IMA\RUNTIME\PSRequired to 1
• Deletes the existing local host cache (ImaLhc.mdb)
• Creates an empty local host cache (ImaLhc.mdb)

DSMaint compactdb

• Compact local database file or local host cache
• Parameters /ds or /lhc