AD21 is a SAP tcode coming under BC module and SAP_BASIS component. View some details about AD21 tcode in SAP.
- AD21 tcode used for : Matchcode maintenance (for IMG) in SAP
- Module : BC-DWB-DIC-AC (Activation Program, Conversion Program, DB Utility, MC, SPDD)
- Parent Module : BC (Basis Components)
- Package : SDD (Data Dictionary Maintenance 2.2 (and 3.0))
- ABAP Program : SAPMSD20

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Definitions
What is SAP ?SAP is the short form of Systems, Applications & Products in Data Processing. It is one of the largest business process related software. This software focused on business processes on ERP & CRM.
What is transaction code in SAP?Transaction code shortly known as tcode, is a shortcut code to access different functional areas in SAP. It avoid users from long menu path to reach a report. Instead of that users can type the corresponding transaction code and press enter, the corresponding SAP page will load. It’s a good practice to remember or note down the transaction codes that we need to use in our regular work.
AD21 related transaction codes
| Tcode | Note |
|---|---|
| SMCX | Matchcode OCX |
| AD21 | Matchcode maintenance (for IMG) |
| OIAC | Matchcode notifications |
| OIEM | Matchcode for Equipment |
| OILG | Standard Task List Matchcode |
| OIPM | Matchcode for Functional Locations |
| OIZ7 | Work Center Matchcode |
| 1KE6 | EC-PCA: Maintain Matchcode |
| FOTI12 | RETI: Matchcode ID's |
| JBVT0010 | VT Control: Matchcode |
| MY01 | C MM-PUR Matchcode Purchasing Doc. |
| MY03 | C MM-PUR Matchcode Purchasing Doc. |
| MY04 | C MM-PUR Matchcode Purchasing Doc. |
| MY05 | C MM-PUR Matchcode Purchasing Doc. |
| MY06 | C MM-PUR Matchcode Purchasing Doc. |