Voted Best Answer
Oct 28, 2016 - 08:05 AM
Keep the invoices! They are effective proof-of -purchase. And that's important if you ever bought a perpetual license.. then bought an upgrade..then an upgrade...then an upgrade. Without proof of perpetual license ( i.e. invoice), the entitlement chain breaks down.
As for software boxes and jewel cases, just ensure that -if you toss them - that they don't have any serial numbers on a sticker or inside the box.
Here's an example of something we found in the garbage in the neighbourhood one day. A complete Windows SBS license pack. We got the license agreement, and the license code - on original tamperproof paper ( see the strips on the top?)
Though we don't have an invoice to 'prove we bought', we possess ALL the criteria to be the legal license holders.
If you tossed that out, then 'upgraded/transistioned' to Windows Server 2008 STD .... well, your Windows Server 2008 license may be invalid.
I effectively have your license for WinServer 2008!!
( and in case you're thinking that we were nasty to our corporate neighbour.... no; they folded operations and told us they didn't care.)
So.... be VERY careful as to what you toss out; if the vendor has the ability to audit you; consder retaining relevant documentation and other relevant materials ( DOCs and jewel boxes typicall don't count).