You can set limits for the maximum number of resource-intensive operations. These operations can be: copy, move, Add to My Cloud, and Add to My Catalog, for the maximum number of console connections to a virtual machine, and for the maximum number of data centers per organization. These limits provide a defense against denial of service attacks.

Procedure

  1. Click the Administration tab and click Policies in the left pane.
  2. Choose the maximum system limits for resource-intensive operations, console connections to a virtual machine, and data centers per organization.
    Option Description
    Number of resource-intensive operations per user Type the maximum number of simultaneous resource-intensive operations per user, or select Unlimited.
    Number of resource-intensive operations to be queued per user Type the maximum number of queued resource-intensive operations per user, or select Unlimited.
    Number of resource-intensive operations per organization Type the maximum number of simultaneous resource-intensive operations per organization, or select Unlimited.
    Number of resource-intensive operations to be queued per organization Type the maximum number of queued resource-intensive operations per organization, or select Unlimited.
    Number of simultaneous connections per VM Type the maximum number of simultaneous console connections per virtual machine, or select Unlimited.
    Number of virtual data centers per organization Type the maximum number of organization virtual data centers per organization, or select Unlimited.
    Resource-intensive operations are long running operations of vCenter Server. These operations are all the vCenter Server operations that are reported in the Task UI panel in the vCenter Server console. Resource-intensive operations are usually related to provisioning, unprovisioning, and changing the state or configuration.
  3. (Optional) To return all limits to the default system limit, click Revert.
  4. Click Apply to save the new system limits.