Below activity is executed on Windows operating system.
1. Login to the operating system as [sid]adm or syd[sid]. Shutdown the Sybase database.
2. Navigate to the respective directory. (depends on your Sybase version)
E:\sybase\SID\ASE-16_0\install
3. Open the RUN_SID file and add the following item. Save your changes.
-psa
4. Now, start your Sybase server and while executing, you will get a new password printed on the terminal screen. Please be noted that the new password is only printed on the terminal screen and no output to error log.
New SSO password for sa:itsitiaracici
5. You can now remove the -psa entry from the RUN_SID file. Save your changes again.
6. Open a new terminal session and execute the following command to change to a new password.
For the ASE 15.7,
alter login sa with password 'OLD_PASS' modify password 'NEW_PASS'
For other ASE versions,
sp_password 'OLD_PASS','NEW_PASS' ,sa
Note
SAP Note 1872806 – How to set a new password for SA account in Sybase ASE server
