Non-production servers – 10 days after Microsoft's Patch Tuesday, typically the 3rd Saturday of each month

Maintenance window: 7:00 p.m. to 7:30 a.m. the following day

• Saturday, December 19, 2020
• Saturday, January 23, 2021
• Saturday, February 20, 2021
• Saturday, March 20, 2021
• Saturday, April 24, 2021
• Saturday, May 22, 2021
• Saturday, June 19, 2021
• Saturday, July 24, 2021
• Saturday, August 21, 2021
• Saturday, September 25, 2021
• Saturday, October 23, 2021
• Saturday, November 20, 2021
• Saturday, December 25, 2021

Production servers – 2 weeks after non-production patching, typically the 1st Saturday of each month

Maintenance Window: 7:00 p.m. to 7:30 a.m. the following day

• Saturday, January 2, 2021
• Saturday, February 6, 2021
• Saturday, March 6, 2021
• Saturday, April 3, 2021
• Saturday, May 8, 2021
• Saturday, June 5, 2021
• Saturday, July 3, 2021
• Saturday, August 7, 2021
• Saturday, September 4, 2021
• Saturday, October 9, 2021
• Saturday, November 6, 2021
• Saturday, December 4, 2021
• Saturday, January 8, 2022