## Changing the Passwords of SAP Standard Operating System Users

Many SAP systems make use of standard operating system users that, on the operating system level, have comprehensive access rights to database resources.

Standard Operating System Users in SAP Systems

Operating system user | Use
<sid>adm | SAP system administrator and database administrator in SAP systems
sqd<sid> | Owner of the database resources

<sid> = system ID of SAP system

### Procedure

To keep unauthorized persons from learning the passwords of standard operating system users, we recommend the following measures:

· Do not adopt the default passwords.

· Use secure passwords.

· Change the passwords regularly.

#### Changing the Password of an Operating System User (UNIX/Linux)

...

1. Log on to the operating system with the <sid>adm user.

2. Open a shell.

3. Enter the command passwd.

4. Enter the old and new passwords.

Repeat the procedure for the sqd<sid> user.

If you use the Network Information Service (NIS), you can read how to change the passwords of operating system users in the NIS Guide.

#### Changing the Password of an Operating System User (Microsoft Windows)

...

1. Log on to the operating system as a user from the Administrators group.

2. Change the password of the operating system user <SID>ADM.