Cannot change PO description

Question

cannot change Purchase order description due to a prepayment payment has already been posted in the system by accounts.

is there a way to solve this matter and am I able to post GRN?

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Answer 1

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Answer 2

In the referenced Dynamics products, a posted prepayment restricts what can be changed on the purchase order header and lines, but it does not prevent receiving or invoicing against the PO.

From the Dynamics GP guidance:

• The prepayment amount can be added or modified only until there is a receipt or invoice against the PO.
• Once a prepayment is posted, certain actions on the PO are restricted (for example, you cannot place the PO on hold until the prepayment is voided or removed from batches).
• However, you can still receive or invoice against the purchase order after the prepayment is posted; the prepayment will be applied to the shipment/invoice.

Applied to this scenario:

• Changing the PO description may be blocked by design once a prepayment is posted; there is no supported way in the provided context to override that restriction directly.
• Posting the GRN (receiving/shipment) is allowed: when the receipt/invoice is posted, the system applies the posted prepayment to that transaction.

If the description change is business‑critical, the only supported options indicated in the context are administrative actions around the prepayment itself (for example, voiding or removing the prepayment in payables or PO windows), and then adjusting or recreating the PO as needed. These actions affect financials, so they should be coordinated with accounting.

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References:

• Purchase Order Processing Part 2: Purchase orders
• Prepayment invoices vs. prepayments