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This procedure configures two registry keys that toggle whether or not Historian archives are stored as compressed ZIP files.
Procedure
From the Start menu, select Run and enter Regedit.
Open the following key folder: HKEY_LOCAL_MACHINE\SOFTWARE\Intellution, Inc.\iHistorian\Services\DataArchiver\
Create a new DWORD called DoNotZipArchives.
Specify whether backup files should be zipped (compressed).
To specify that backup files should not be zipped, set DoNotZipArchives to any non-zero value.
To specify that backup files should be zipped, set DoNotZipArchives to 0.
Open the following key folder: HKEY_LOCAL_MACHINE\SOFTWARE\Intellution, Inc.\iHistorian\Services\ClientManager\
Create a new DWORD called DoNotZipArchives.
Specify whether backup files should be zipped (compressed).
To specify that backup files should not be zipped, set DoNotZipArchives to any non-zero value.
To specify that backup files should be zipped, set DoNotZipArchives to 0.
Select OK.
Close the Registry Editor and open Historian Administrator to back up Historian archive files.
You do not need to restart the Data Archiver.
CAUTION: Be aware of the following when you are using DoNotZipArchives registry key:
If you are collecting alarms with DoNotZipArchives registry key enabled, then your alarms may not be backed up. Also, you cannot export alarms to another Historian server.
DoNotZipArchives registry key can limit the ability to recover the data from disaster.
Historian