Troubleshooting reservation updates


This page shows you how to resolve issues with modifying reservations. To learn more about reservations, see Reservations of Compute Engine zonal resources.

Attempt to delete a reservation's compact placement policy

The following error occurs when you try to delete a reservation's compact placement policy before deleting the reservation.

Error message:

The resource_policy resource 'projects/PROJECT_ID/regions/REGION/resourcePolicies/COMPACT_PLACEMENT_POLICY_NAME' is already being used by 'projects/PROJECT_ID/zones/ZONE/reservations/RESERVATION_NAME'

Resolution: To delete a compact placement policy specified in a reservation, select one of the following methods:

Attempt to downsize a specific reservation to less VMs than the targeted number

The following error occurs when you try to decrease the number of reserved VMs in a specific reservation to a number that is lower than the number of VMs that consume the reservation.

Error message:

The resize instance count cannot be lower than the in use count for a specific reservation.

Resolution: To ensure that the number of VMs in the specific reservation is equal to or lower than the number of VMs that consume the reservation, do one of the following with the VMs in excess:

  • Delete VMs

  • Stop or suspend the VMs