How to open the client in SAP system ?

Run the tcode SCC4 and you can view the client’s  details

How to create a client in SAP?

What is a SAP Client?

Client is a consumer. in SAP. Each consumer maps to one client. Within one SAP instance, a number of Clients can be created. No need to install separate software for each and every consumer. It provide  the  protection,  one client cannot see the data of another client. We can create   clients from 000 to 999. 

000 Client: - contains a simple organizational structure of  the company

001 Client:-  used to  create a new client.

066 Client: -  Early watch client.  SAP early watch alert diagnosis service.

How to create a client in SAP?

Run tcode SCC4

Click  the display button

Click the new entries

Enter the following and save

Client number and name

City

Currency, Roles

How to restrict the number login attempts in SAP BASIS?

Run  the tcode RZ11

Enter the parameter value  login/fails_to_session_end  then press  Display

button.   Profile parameter Attributes page   will open  here you can change the parameter value (Min / Max)

How to specify a valid country indicator when you are creating a new user in sap?

Remove the data under the communication section and save the user.

The other option is to create a new user by copying an existing user.

How to protect the client when it is open for modifications in sap?

Usually no Developers or Consultants have live ID in the production system. If the system needs  to be open a user ID is created/activated and then disables when the client is closed again