I recently implemented Microsoft Dynamics GP for a client who is a UK subsidiary of an American company. This client is a heavy user of the Inventory Control module with over 30,000 items (you’ll see the relevance of this soon).
Shortly after the go-live, users started reporting that windows were opening very slowly; for example, it was taking almost 2 minutes to open the Sales Transaction Entry window. I sat with one of the users and looked at the problem with them; it took a few minutes, due to the slowness, of checking various windows before realising that it was the windows with an Item Number field on them which were slow opening.
I did a quick search online and found a post on Dynamics Code Blocks by Tim Wappat where he had encountered a similar issue which was being caused by the AutoComplete function; this would make sense as by default the AutoComplete will remember 10,000 entries per field.
Which with over 30,000 items and a couple hundred sales orders being processed everyday meant the AutoComplete was quickly building up for each user.
Tim’s solution seemed to be a little more convoluted than I woulr have expected and involved deleting files in the Windows profile. I did a test with one of the users, by deleting the AutoComplete entries via User Preferences () and clicking the AutoComplete button (ringed in red):
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