Manage key-value system limits

For effective and timely reporting, the system requires that publishers adhere to strict limits. To monitor your network's limits in Ad Manager, click Admin, and then Global settings, and then Limits.
 
Item Keys limit Values limit
Reportable key-values

200

You may only have 200 keys.


 

30,000

Calculated by adding the values of all keys to each other. For example:

  • Key A has 10 values, Key B 15, and Key C 20
  • The value against the limit is 45, or 10+15+20
Custom dimensions

10

You may only have 10 total custom dimensions defined. Make sure you plan your custom dimensions carefully.

20,000 (Google Ad Manager 360)

5,000 (Google Ad Manager)

Calculated by multiplying the number of values in each custom dimension key. For example:

  • Key A has 10 values, Key B 15, and Key C 20
  • The value against the limit is 3,000, or 10 x 15 x 20
  • You'll receive an error message when over the keys or values limits for both key values and custom dimensions. Until you fall below the limit, you'll be unable to:

    • Add new reportable keys / custom dimensions
    • Add values in existing reportable keys / custom dimensions
    • Add dynamic values in targeting when creating a line item
  • Deleting key values or custom dimensions at a later date might affect your network negatively, for example, loss of targeting signals or go-forward reporting.

Remove keys from reporting to get under the limit

If you're over either the "Reportable key-values" or “Custom dimensions” limit, the easiest way to get under the limit is to remove keys from reporting. Removing a key-value as reportable or a custom dimension will remove the key and all values from both the key limit and all values from the values limit.

  1. In Ad Manager, click Inventory, and then Key-values.

  2. Select the check boxes next to the keys you want to remove. Keys that are currently in reporting have a value of "On" or "Custom dimension" in the "Reportable" column.

  3. Click Exclude from reporting.

Any values included in reports before you remove a key will remain in historical reports for the time they were active. If you remove a key and later re-activate it, values are omitted from reports for the time the key was deactivated.

If you deactivate a targeting key, it is also removed from reporting.

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