Symantec netbackup schedule is not working

If a schedule or schedules are not working, do following steps on the master server:
1. shutdown NBU services
C:\program files\veritas\netbackup\bin\bpdown.exe -v -f
2. use bpps or Services to check all the NBU service including PBX service are not running.
3. delete the below files if they exist:
C:\program files\veritas\netbackup\bin\bpsched.d\pempersist
C:\program files\veritas\netbackup\bin\bpsched.d\retirepersist
C:\program files\veritas\netbackup\bin\dbdbm.lock
C:\program files\veritas\netbackup\db\jobs\restart\*
C:\program files\veritas\netbackup\db\jobs\pempersist
C:\program files\veritas\netbackup\db\jobs\pempersist2
C:\program files\veritas\netbackup\var\nbproxy_jm.ior
C:\program files\veritas\netbackup\var\nbproxy_pem.ior
C:\program files\veritas\netbackup\var\nbproxy_pem_email.ior
C:\program files\veritas\netbackup\var\TaoNotifSvc*.*
C:\program files\veritas\netbackup\db\failure_history\*
4. startup NBU (reboot recommended)
C:\program files\veritas\netbackup\bin\bpup.exe -v -f
5. Run the following command:
C:\program files\veritas\netbackup\bin\admincmd\nbpemreq -updatepolicies


Snapmanager for SQL: Timeout Expired

Error Code: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.

Example:

[08:01:47.379] [HostName] Connecting to SQL server HostName...
[08:01:47.383] [HostName] Transaction log backup for database [BSM] will truncate logs...
[08:01:47.383] [HostName] Starting to backup transaction log for database [BSM]...
[08:04:15.879] [HostName] Database [HostName:BSM] Percent: 5% completed
[08:06:48.387] [HostName] Database [HostName:BSM] Percent: 10% completed
[08:08:43.885] [HostName] Database [HostName:BSM] Percent: 15% completed
[08:10:43.644] [HostName] Database [HostName:BSM] Percent: 20% completed
[08:11:47.474] [HostName] [SQL SMO Error]: Backup failed for Server 'HostName'. 
An exception occurred while executing a Transact-SQL statement or batch.
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
[08:11:47.483] [HostName] [SQL SMO Error]: Backup failed for Server 'HostName'. 
An exception occurred while executing a Transact-SQL statement or batch.
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
[08:11:47.483] [HostName] [SQL SMO Error]: Backup failed for Server 'HostName'. 
An exception occurred while executing a Transact-SQL statement or batch.
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.

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