Sandbox: 06/Feb/2021 at 19:00 Hrs until 07/Feb/2021 01:00 Hrs PT.Production: 13/Feb/2021 at 19:00 Hrs until 14/Feb/2021 01:00 Hrs PT.

[Prem]

Sandbox:     06/Feb/2021 at 19:00 Hrs until 07/Feb/2021  01:00 Hrs PT.
Production:  13/Feb/2021 at 19:00 Hrs until 14/Feb/2021  01:00 Hrs PT.

Following activities will be carried out during the maintenance window 

1. Database upgrade 
2. Infrastructure security updates and patching.
3. Infrastructure resource rebalancing and database defragmentation.
4. Apply DB security patch
5. Apply OS patch.

[Prem]

Following activities will be carried out during the maintenance window 

1. Database upgrade 
2. Infrastructure security updates and patching.
3. Infrastructure resource rebalancing and database defragmentation.
4. Apply DB security patch
5. Apply OS patch.

[Prem]

Sandbox maintenance has been completed.

Note: We skipped DB upgrade 

[Prem]

Production maintenance has been completed.