topic Re: Change ECN prefix in Windchill

Change ECN prefix

EW_11720066 — Sun, 11 Jan 2026 21:25:44 GMT

Need to change the prefix. Currently the WCE25 and need to WCE26. How and where to I make this change for all new ECN's.

Re: Change ECN prefix

TDT — Mon, 12 Jan 2026 06:33:32 GMT

Hi @EW_11720066,

I may not have fully understood your query. However, it appears that you want to change the ECN prefix from WCE25 to WCE26.
Please verify the OIR used for the ECN, as the prefix should be configured through the OIR.

Re: Change ECN prefix

EW_11720066 — Mon, 12 Jan 2026 22:23:51 GMT

Which OIR would it be in?

Re: Change ECN prefix

TDT — Tue, 13 Jan 2026 03:32:12 GMT

Hi @EW_11720066,

Kindly check the Object Initialization Rules (OIR) for the ECN object under Organization → Utilities.

Re: Change ECN prefix

avillanueva — Tue, 13 Jan 2026 12:20:56 GMT

It would be the one associated with "Change Notice" type. Keep in mind that OIRs are inherited. They can be defined at the site, org and product/library level. Most likely you have it at the site or org so look for it there. You should see one of them as a section that calls out your prefix. Also, based on your prefix, looks like you prefix with the year? Does that mean there is a unique number tacked on to the end that increments? If this is based on a DB sequence, note that this will not reset to 1 automatically. What does your full number look like?