Lock and Unlock user account in Sybase

What happens if account is locked?

1. User can not login.
2. If any schedule jobs with specified login.

When login can be locked.

1. When maximum failed login attempts reached.
2. If password expires
3. System Security Officer locks login
4. Accounts are locked due to account inacrivity.

How to know account is locked or not?
If we run the below query in the isql console, it will give status of login.

1> sp_displaylogin k2admin
2> go
Suid: 3                             
Loginame: k2admin
Fullname: k2admin
Default Database: master
Default Language: 
Auto Login Script: 
Configured Authorization:
Locked: YES
        Date when locked: Sep  5 2016  6:45PM
        Reason: Account locked by ASE by manually executing sp_locklogin
        Locking suid: sa
Date of Last Password Change: Sep  5 2016  6:27PM 
Password expiration interval: 0         
Password expired: NO                            
Minimum password length: 6         
Maximum failed logins: 3         
Current failed login attempts: 0         
Authenticate with: AUTH_DEFAULT
Login Password Encryption: SHA-256
Last login date: 
Exempt inactive lock: 0
(return status = 0)

Syntax to Lock and Unlock user account in Sybase:

sp_locklogin [loginame, "{lock | unlock}"]

Examples:

1. Lock the user account.
1> sp_locklogin k2admin,'lock'
2> go
Account locked.
(return status = 0)
2. Unlock user account.
1> sp_locklogin k2admin, 'unlock'
2> go
Account unlocked.
(return status = 0)
To check the status of account:

1> sp_displaylogin k2admin
2> go
Suid: 3                             
Loginame: k2admin
Fullname: k2admin
Default Database: master
Default Language: 
Auto Login Script: 
Configured Authorization:
Locked: NO
Date of Last Password Change: Sep  5 2016  6:27PM 
Password expiration interval: 0         
Password expired: NO                            
Minimum password length: 6         
Maximum failed logins: 3         
Current failed login attempts: 0         
Authenticate with: AUTH_DEFAULT
Login Password Encryption: SHA-256
Last login date: 
Exempt inactive lock: 0
(return status = 0)