OY28 is a SAP tcode coming under BC module and SAP_BASIS component. View some details about OY28 tcode in SAP.
- OY28 tcode used for : Deactivate SAP* Customizing in SAP
- Module : BC-SRV (Basis Services / Communication Interfaces)
- Parent Module : BC (Basis Components)
- Package : SBSRVC (Basis Services - Customizing)
- ABAP Program :

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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.
OY28 related transaction codes
| Tcode | Note | 
|---|---|
| OY28 | Deactivate SAP* Customizing | 
| LMIKLFZ | Facility: Activate/Deactivate FO Int | 
| RMIKLFZ | Facility: Activate/Deactivate FO Int | 
| SA22 | Deactivate Specific Corrections | 
| 8KEU | Deactivate C&V Profile in CO Area | 
| GCRE2 | Deactivate drilldown rep. - SL table | 
| OQBC | Deactivate Customizing doc. types | 
| FNCW4 | Activate/Deactivate Workflow | 
| /SAPSRM/SW_ACTV | Activate/Deactivate Cust. Switches | 
| /SAPSRM/SW_OVERVIEW | Activate/Deactivate Cust. Switches | 
| CJBW | Deactivate Project Availabilty Cntrl | 
| CRMD_TRACE_SET | Activate/Deactivate API Trace | 
| FM_HHM_ACTIVATE | Activate/Deactivate Funds Management | 
| GJC2 | Deactivate company in JV | 
| KALB | Deactivate Reconciliation Ledger |