Create new user in SAP

After installing new  SAP  system we get 2 default users SAP* and DDIC.

login to master client 000 via SAPLOGONGUI with username SAP*/DDIC and password that you have given in sap installation process.

After login with username SAP* enter  Tcode SU01.

now user administration is opened in sap, here you can create new users in sap.

Here, I am using username as ARBAZALI click on create button showing with red arrow.

assign initial password to user.

also select validity if required and save the user changes with showing with red arrow button .

the user ARBAZALI is created.

In SAP systems, there are several types of users, each with specific roles and permissions. Here are some common user types:

1. **Dialog Users**: These are the most common type of users who interact directly with the SAP system through the SAP GUI (Graphical User Interface) or web interface. They perform tasks such as data entry, report generation, and other day-to-day operations.

2. **System Users**: These users are used for system-to-system communications, background processing, or batch jobs. They do not require interactive logins and are often used for automated tasks.

3. **Service Users**: Similar to system users, service users are used by applications or services to communicate with the SAP system. They are typically used for specific integration scenarios or for connecting external applications to SAP.

4. **Communication Users**: These users are used for communication purposes, such as RFC (Remote Function Call) communications between SAP systems or between SAP and external systems.

5. **Reference Users**: Reference users are used to define certain default settings or configurations that can be referenced by other users or processes.