Now accepting guest editorial from SAP, Oracle, Workday and ServiceNow practitioners.Pitch a guide
The Sign-Off Table

Lesson 1 of 5

The onboarding lifecycle

10 min

Listen to this lesson

0:00 / 10:31

Most EDI problems in production were decided in the first two weeks of onboarding: an identifier copied from an old e-mail, a mapping rule nobody wrote down, a test that proved the connection but not the business result. Onboarding a trading partner is a small project with an outside party, and it deserves a repeatable process with gates, owners and evidence. This course gives you that process and the Academy's sign-off angle on it. It applies equally to classic middleware such as SAP Process Orchestration and to SAP Integration Suite with Trading Partner Management (TPM).

The running example is real for Contoso Motor Co. After the B2B interfaces moved to Integration Suite, sales won a new fleet customer, Northern Plains Coach Lines, which runs a coach fleet across the upper Midwest and wants to order alternators by EDI. Northern Plains will send X12 850 orders over AS2 and expects 997 acknowledgments, 855 order responses, 856 ship notices and 810 invoices, all in version 004010. Theo's integration team owns the build, Priya owns testing, Maria owns order-to-cash acceptance, and Northern Plains has one EDI coordinator.

Seven phases with gates

The onboarding lifecycle: each phase ends at a gate, and the two decisions are where partners and Contoso agree in writing.
The Sign-Off Table · thesignofftable.com/academy/sap-edi-304
  1. Kickoff. Exchange contacts and the partner's implementation guide; complete an onboarding questionnaire; agree the target date and test windows.
  2. Specification. Turn the partner's guide into a mapping specification for each document; resolve gaps; both sides sign it.
  3. Build. Create the partner profile and agreement (in TPM from the existing fleet customer template), partner-specific mapping if needed, master data in SAP S/4HANA, and certificates.
  4. Testing. Connectivity, syntax, business rules and end to end, each with entry and exit criteria agreed with the partner.
  5. Certification. The partner confirms that Contoso's documents meet its requirements, often against its own checklist or scorecard.
  6. Pilot or parallel run. Limited production volume under close watch, with daily reconciliation.
  7. Go-live and handover. Full volume, evidence pack, runbook and a hypercare period before support owns the partner.

Four traps account for most onboarding delays at Contoso and elsewhere. The partner sends test files from its production system with production identifiers, so test and production can't be told apart. Nobody owns the partner's master data in SAP, so conversion tables are filled the day before testing. The test windows are agreed loosely, so a week is lost waiting for a partner response. And acknowledgments are treated as success, so business rejections surface only after go-live. Each phase below has a gate designed to catch one of them.

The onboarding questionnaire

The questionnaire is the cheapest test you will ever run: it finds wrong assumptions before anything is built. Contoso's version asks for the following and stores the answers with the partner profile.

TopicWhat to collectNorthern Plains answer
Standard and versionX12 or EDIFACT, version, document listX12 004010: 850 in; 997, 855, 856, 810 out
IdentifiersInterchange ID and qualifier, group IDs, test and production IDsZZ NPCOACHEDI in both environments
TransportAS2, SFTP or network; endpoints; AS2 IDs; MDN typeAS2, synchronous signed MDN, AS2 ID NPCL-AS2
SecurityCertificates, algorithms, renewal contactSHA-256 signing, AES256 encryption, certificates by e-mail to Nadia's team
Acknowledgments997 expected, timing, TA1 or not997 within 4 hours; no TA1
Volumes and timingDocuments per day, peaks, cut-off timesAbout 20 orders per week, Monday peak, cut-off 14:00 Central
Test windowsWhen the partner can test, and how longTuesdays and Thursdays for four weeks
Business rulesShip-to locations, item numbers, pricing, partial shipments11 depots as ship-tos; buyer part numbers; contract price; partials allowed

Contoso's onboarding questionnaire with Northern Plains Coach Lines' answers.

Classic middleware or Integration Suite

The phases are the same on any platform; the build step differs. On SAP Process Orchestration with the B2B add-on, the build means new communication components, channels with the AS2 adapter and converter modules, and often a copied mapping. On SAP Integration Suite with TPM, it means a trading partner profile and an agreement derived from an existing template, plus a partner-specific mapping guideline only where rules differ. That makes the build faster, but it doesn't shorten testing: the partner's identifiers, locations, part numbers and acknowledgment habits are new either way, and they are where onboarding defects come from.

Who does what

ActivityContoso integration (Theo)Contoso test (Priya)Business (Maria)Partner coordinator
Questionnaire and guideOwnsReviewsAnswers business rulesProvides
Mapping specificationWritesReviews for testabilityApproves rulesApproves
Build and master dataBuildsChecks readinessMaintains customer dataSends certificates
Test phasesSupportsOwns plan and evidenceAccepts business resultsSends and checks test files
Certification and cutoverSupportsPrepares evidenceSigns offCertifies, agrees date
A simple responsibility split for onboarding one EDI partner.
The Sign-Off Table · thesignofftable.com/academy/sap-edi-304
  1. Week 1KickoffQuestionnaire returned; implementation guide received; target go-live agreed.
  2. Weeks 2-3Specification and buildMapping spec signed by both sides; TPM profile and agreement built in CMC_DEV, tested in CMC_TEST.
  3. Weeks 4-7Testing and certificationFour test weeks with the partner on Tuesdays and Thursdays; certification at the end.
  4. Weeks 8-9PilotTwo depots order by EDI; the others keep ordering by e-mail.
  5. Week 10Go-liveAll 11 depots; handover to support with a two-week hypercare.
The Northern Plains onboarding plan: ten weeks from kickoff to go-live.
The Sign-Off Table · thesignofftable.com/academy/sap-edi-304

What would you do?

Sales tells the team that Northern Plains wants to "go live on EDI in two weeks", and the partner's implementation guide hasn't arrived yet. What should Theo and Priya do?

Key points
  • Onboarding is a small project with an outside party: kickoff, specification, build, testing, certification, pilot, go-live.
  • Each phase ends at a gate; certification and cutover are agreed in writing with the partner.
  • The questionnaire captures standards, IDs, transport, security, acknowledgments, volumes, test windows and business rules.
  • Give realistic dates from the guide, test windows and certification, not from the template alone.

Check your understanding · not graded

Lesson check

  1. 1. What is the main purpose of the onboarding questionnaire?

  2. 2. Which phase ends with the partner confirming that Contoso's documents meet its requirements?

  3. 3. Why can't Contoso skip partner testing for Northern Plains because the TPM template works for Great Lakes?

  4. 4. Who should own the test plan and the evidence during onboarding?