# \#dmt-inventory-transf
**URL:** https://www.epiusers.help/tag/dmt-inventory-transf/817.md
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## [DMT negative inventory - not honoring Part Class rules](https://www.epiusers.help/t/dmt-negative-inventory-not-honoring-part-class-rules/70647)
**Author:** [@embedded](https://www.epiusers.help/u/embedded)\
**Replies:** 6\
**Last updated:** [September 7, 2020, 10:58pm UTC](https://www.epiusers.help/t/dmt-negative-inventory-not-honoring-part-class-rules/70647 "2020-09-07T22:58:31Z")
We have configured the Part Class to warn or produce an error if we drive inventory negative, but I’m receiving reports that if we move inventory via DMT we can drive inventory negative and not receive an error or warnin…
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## [DMT Error: A Valid To Warehouse is required](https://www.epiusers.help/t/dmt-error-a-valid-to-warehouse-is-required/69103)
**Author:** [@SteveFossey](https://www.epiusers.help/u/SteveFossey)\
**Replies:** 0\
**Last updated:** [July 18, 2020, 12:58am UTC](https://www.epiusers.help/t/dmt-error-a-valid-to-warehouse-is-required/69103 "2020-07-18T00:58:58Z")
Another one just for the knowledge base - a problem I have tripped on many times and hopefully can help someone else with. (Actually, it’s just that I selfishly want to see this next time I search for this issue). I ha…
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## [Best practice for Transferring inventory](https://www.epiusers.help/t/best-practice-for-transferring-inventory/63596)
**Author:** [@embedded](https://www.epiusers.help/u/embedded)\
**Replies:** 2\
**Last updated:** [January 15, 2020, 9:49pm UTC](https://www.epiusers.help/t/best-practice-for-transferring-inventory/63596 "2020-01-15T21:49:09Z")
We send parts to a CM(Contract Manufacturer) who builds products for us. This means we have to update inventory to move it between our wharehouse and our CM frequently(hundreds of transactions every week). We’ve always u…