---
sourceDocument: Yokohama ServiceNow AI Platform Administration
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/platform-administration

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama ServiceNow AI Platform Administration

ft:clusterId :

    - platadm

bundleId :

    - platadm

workflow :

    - Platform


---

# Add exclusion (legacy)

# Exclude a table from cloning (legacy) {#ariaid-title1}

* Release version: Yokohama
* 
* Updated September 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Exclude a legacy table on the target instance from being overwritten from the source instance.

## Before you begin

Role required: clone_admin

For information on excluding a table from cloning, see [General guidelines for excluding a table from cloning](https://www.servicenow.com/docs/YCkbfTH3ta9EvJqRx5hEzQ "A reference topic that includes general guidelines to exclude a table from cloning.").

## About this task

## Procedure

1. On the source instance, navigate to Instance CloneClone DefinitionsExclude Tables.
2. Select New.
3. Enter the table Name.  
   Note:  
   Entering a parent table results in the clone process also excluding its child tables. For example, excluding the task table would also exclude the Change, Incident, and Problem tables.
4. Select Submit.

*[\>]: and then