This is an issue I have seen a few times. You go to depreciate in Dynamics GP and you see that the Depreciate button is greyed out and the book is already in the Selected Books section:Cause:  After some testing I found that there is a table where the Fixed Assets module temporarily records depreciate activity for users until the depreciation process is complete. This means that once the depreciate process is done, there should be no records in this temporary table. I am usually able to confirm with a user that there was an interruption or depreciate got stuck the last time they tried depreciating.Resolution: This temporary table is the FA40203. You first need to get connected up to your SQL server and SQL Management Studio. Then run … [Read more...] about Dynamics GP Troubleshooting: Fixed Asset Issues