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Windows Updates (Batch 5A)

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Use Excel template attached.
Template to be worked on. Not yet done.

For secondary servers (Friday)

  • Open Software Center and check if there are pending updates.
  • Open Management Studio
  • Connect to primary in Management Studio and confirm server is secondary
  • Check that there are no jobs running
  • Update or restart the servers:
    • If a message is shown that other users are connected, check with task manager if there are other active connections. If during working hours, contact active users before restarting.
  • After restart, check if no further updates are needed and disconnect.

For primary servers (Saturday)

  • Open Software Center and check if there are pending updates.
  • Open Management Studio
  • Connect to primary in Management Studio
  • Check that there are no jobs running
  • Failover to secondary server
  • Update or restart the primary server:
    • If a message is shown that other users are connected, check with task manager if there are other active connections. If during working hours, contact active users before restarting.
  • After restart, check if no further updates are needed and disconnect.
  • Failback to the previous primary
  • Check special instructions for App servers in OneNote

Notes

  • ARS auto-installs updates, so probably the only remaining task is to restart

Known issues

  • If updates fail:
    • Retry
    • Restart and retry
    • Escalate following week
  • If secondary server is async
    • Go to Availability Groups > Properties > Change Availability Mode to Sync on the secondary server
    • After the failback, return to Async mode

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Created: 2026-03-06 11:17 · Updated: 2026-04-17 13:19