Upgrade Failures
The following table describes some possible upgrade errors that you may encounter and what you must do to recover from them.
Symptom |
Possible Cause |
Recommended Action |
---|---|---|
Failed or unsuccessful upgrade on a bare-metal server. |
Attempted upgrade of the controller is being made without meeting the system requirements for the release. |
Access the latest Cisco APIC-EM release notes and review the system requirements. Be sure to review the appropriate specific system requirements for a bare-metal upgrade. Try to upgrade the controller again by taking the following steps:
If failure persists, contact Cisco support. See the Cisco Application Policy Infrastructure Controller Enterprise Module Troubleshooting Guide, for Cisco TAC contact information. |
Failed or unsuccessful upgrade on a virtual machine. |
Attempted upgrade of the controller is being made without meeting the system requirements for the release. |
Access the latest Cisco APIC-EM release notes and review the system requirements. Be sure to review the appropriate specific system requirements for a virtual machine upgrade, including the VMware resource pool requirements. Try to upgrade the controller again by taking the following steps:
If failure persists, contact Cisco support. See the Cisco Application Policy Infrastructure Controller Enterprise Module Troubleshooting Guide, for Cisco TAC contact information. |
Failed or unsuccessful upgrade on a virtual machine. |
Error messages on controller indicate that there is an issue with the NTP server. |
When upgrading the Cisco APIC-EM in a virtual machine within a VMware vSphere environment, you must ensure that the time settings on the ESXi host are also synchronized to the NTP server. Failure to ensure synchronization will cause the upgrade to fail. Try to upgrade the controller again by taking the following steps:
If failure persists, contact Cisco support. See the Cisco Application Policy Infrastructure Controller Enterprise Module Troubleshooting Guide, for information about using the reset_grapevine command , as well as Cisco TAC contact information. |
Failed or unsuccessful upgrade on either a bare-metal server or virtual machine. |
Error messages on the controller's GUI indicate that some services are failing to start up on the Cisco APIC-EM after the upgrade. |
Try to upgrade the controller again by taking the following steps:
If failure persists, take the following actions:
See the Cisco Application Policy Infrastructure Controller Enterprise Module Troubleshooting Guide, for information about the above steps, as well as Cisco TAC contact information. |