---
layout: docs
page_title: FAQ
description: |-
  Answers to the most commonly asked questions about client count in Vault.
---

# Client count FAQ

| Definitions             |
| ----------------------- |
| [What is a client?](#what-is-a-client) |
| [What is the difference between an entity client, non-entity client, and certificate client?](#eclient-vs-neclient) |

| Computing client count  |
| ----------------------- |
| [Can I compute clients for Vault versions before v1.6?](#before-1-6) |
| [Can I compute KMIP clients for Vault?](#kmip) |
| [Can I compute changes in clients month to month from the UI for Vault v1.8 &nbsp; v1.10?](#month-to-month) |
| [Do child namespaces create duplication in the client count?](#namespace-dupes) |
| [Does the Nomad-Vault integration affect client counts?](#nomad) |
| [Are batch tokens counted differently than service tokens?](#batch-tokens) |
| [Do custom user filters affect client counts?](#custom-filters) |
| [Does mount migration affect client counts?](#mount-migration) |

| Upgrading and migration |
| ----------------------- |
| [How has client count changed across different Vault versions?](#logic-improvements) |
| [How has the usage metric UI changed across different Vault versions?](#ui-improvements) |
| [Are there any known client count issues in the UI/API?](#uiapi-ki) |
| [What happens to client count when I upgrade?](#what-happens-at-upgrade) |

| Usage                   |
| ----------------------- |
| [Can I view the list of unique client IDs that contributed to my client count aggregate?](#view-data) |
| [Is clientID viewable in the audit logs for non-entity tokens?](#clientid-in-logs) |
| [Can I skip client computation for a period of time during the billing period?](#skip-computation) |
| [Are there conditions that will cause me to lose client data?](#lost-data) |
| [What happens if a portion of the data is missing for my billing period?](#missing-data) |
| [Can I disable client counting?](#disable-client-count) |
| [Can I configure Vault to log the client count data?](#log-client-count) |

| Vault auditor tool      |
| ----------------------- |
| [What is the Vault auditor?](##vault-auditor) |
| [Are there any known client count issues in the auditor tool?](#auditor-ki) |

## Definitions ((#definitions))

@include 'faq/client-count/definitions.mdx'

## Computing client count ((#computing-clients))

@include 'faq/client-count/computing-clients.mdx'

## Upgrading and migration ((#upgrading))

@include 'faq/client-count/upgrading.mdx'

## Usage ((#usage))

@include 'faq/client-count/usage.mdx'

## Vault auditor tool ((#auditor))

@include 'faq/client-count/tools.mdx'
