The Sage Fixed Assets database only contains one set of depreciation information at any given time. You can't reverse depreciation; only run depreciation to a different date. The program is designed to run depreciation to any given date into the past and the future and reproduce consistent reports. This assumes you've changed no the assets.
NOTE: This run of depreciation is to set the Prior Thru date for the assets. Don’t attempt to tie this report to old reports. For Prior year reporting, an alternative is to keep a Year End copy of the company. See Year End Close.
Depreciation this run is too high
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What is depreciation this run?
Net Book Value and other reports don’t use Date column