VMware: ALERT: Upgrading ESX 4.0 to 4.0 U1 using Update Manager fails or times out and rebooting the host results in a purple diagnostic screen Symptoms (1016070)
November 26th, 2009
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When attempting to upgrade ESX 4.0 to ESX 4.0 Update 1, you may experience the following symptoms:
- Update Manager (VUM) upgrade operation fails or times out at 33%.
- Upon reboot, the host that was being upgraded displays a purple diagnostic screen with the following error:
COS Panic: Int3 @ mp_register_ioapic
Customers using VMware vSphere 4 upgrading to Update 1 with 3rd party management agents running.
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