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Update Manager 4.0 Update 1 or later might display an incorrect conflict resolution message when you scan ESX/ESXi 4.0.x hosts managed by Cisco Nexus 1000V (1020907)

Details

When you add an ESX/ESXi host to a Cisco Nexus 1000V virtual switch, Update Manager automatically installs the Virtual Ethernet Module (VEM) on the host. After the initial provisioning, when you apply a patch to the ESX/ESXi host, you must apply a corresponding patch to the VEM, in order to preserve compatibility. When you apply a patch to the VEM, you must apply a corresponding patch to the ESX/ESXi host.

When you scan hosts that are running ESX 4.0.x against baselines that contain either VEM patches or VMkernel patches, Update Manager 4.0 Update 1 or later might report a conflict for the VEM or VMkernel patch. The following message appears:
There are no Updates available in VMware vCenter Update Manager patch repository that can resolve the conflict with the host. This is because there was none released or VMware vCenter Update Manager has not downloaded them.
The message appears even when the correct VMkernel or VEM patch is present in the patch repository.

For ESX/ESXi 4.0 Update 1 and later, Update Manager 4.0 Update 1 or later suggests the correct VMkernel or VEM patch that resolves the conflict.

Solution

Although the provisioning of VEMs is automatic, their patching requires manual remediation by using a host patch baseline. The baseline must contain both the host patch and the corresponding VEM patch.

To resolve the conflict, first include both the VEM patch and the corresponding VMkernel bundle in a host patch baseline. After you create the baseline, remediate the hosts in your inventory against the baseline to resolve the conflict.
To create a new host patch baseline:
  1. In the vSphere Client, click the Update Manager tab.
  2. In the Administration View, click the Baselines and Groups tab.
  3. Click Create above the Baselines pane. The New Baseline wizard appears.
  4. On the Baseline Name and Type page, click Host Patch, type a name and description for the baseline, and then click Next.
  5. On the Patch Options page, click Fixed and then click Next.
  6. On the Patches page, include the pair of corresponding VMkernel and VEM patches in the baseline. 
  7. On the Ready to Complete page, click Finish to close the wizard.
For more information about making VEM patches available in Update Manager, see Configuring patch source in vCenter Update Manager for Cisco Nexus 1000V Virtual Ethernet Module (VEM) (1013134).
For more information about compatibility between VEM and VMkernel patches, see the Cisco Nexus 1000V Series Switches Compatibility Information page on the Cisco Web site.

To remediate the hosts in your inventory against the baseline:
  1. In the vSphere Client, click the Update Manager tab.
  2. In the Compliance View, click Attach. The Attach Baseline or Group window appears.
  3. In the Attach Baseline or Group window, select the baseline that you want to attach.
  4. In the Compliance View, click Scan.
    The Confirm Scan window appears.
  5. In the Confirm Scan window, verify that Patches and Extension is selected, and click Scan.
  6. Right-click the host or container object that you want to remediate, and select Remediate.
    The Remediate wizard appears.
  7. On the Remediation Selection page, select the baseline that contains the VEM and VMkernel patches.
  8. Go through the Remediation wizard to apply the patches.

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