Verify whether a controller upgrade or downgrade scheduler paused using the GUI | Troubleshoot Failures During the Upgrade and Downgrade Process | Cisco APIC Installation and ACI Upgrade and Downgrade Guide

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	1.	On the menu bar, choose ADMIN > Firmware.
	2.	In the Navigation pane, expand Fabric Node Firmware > Controller Firmware.
	3.	If the scheduled maintenance policy is paused, you will see Upgrade failed in the Status column in the Work pane for the specific Cisco APIC. When things are proceeding correctly, you see Firmware upgrade queued, waiting for cluster convergence in the Status column in the Work pane for the specific Cisco APIC.
	4.	Identify the problem and fix this problem.
	5.	Click the Actions tab, and click Upgrade Controller Firmware Policy.

Before you begin

Procedure