diff --git a/CHANGELOG.unreleased.md b/CHANGELOG.unreleased.md
index 85aeca59a42..fc4c9ae9d38 100644
--- a/CHANGELOG.unreleased.md
+++ b/CHANGELOG.unreleased.md
@@ -11,6 +11,8 @@
 
 > Users must be able to say: “I had this issue, happy to know it's fixed”
 
+- [Pool] Add tooltip on "no XCP-ng Pro support" warning icon (PR [#6505](https://github.com/vatesfr/xen-orchestra/pull/6505))
+
 ### Packages to release
 
 > When modifying a package, add it here with its release type.
@@ -27,6 +29,7 @@
 
 <!--packages-start-->
 
+- xo-web patch
 - xo-server patch
 
 <!--packages-end-->
diff --git a/packages/xo-web/src/common/intl/messages.js b/packages/xo-web/src/common/intl/messages.js
index 1db16dd2802..171ba7ce1e9 100644
--- a/packages/xo-web/src/common/intl/messages.js
+++ b/packages/xo-web/src/common/intl/messages.js
@@ -812,6 +812,7 @@ const messages = {
 
   // ----- Pool general -----
   earliestExpirationDate: 'Earliest expiration: {dateString}',
+  poolNoSupport: 'No XCP-ng Pro support enabled on this pool',
   poolPartialSupport:
     'Only {nHostsLicense, number} host{nHostsLicense, plural, one {} other {s}} under license on {nHosts, number} host{nHosts, plural, one {} other {s}}. This means this pool is not supported at all until you license all its hosts.',
   poolTitleRamUsage: 'Pool RAM usage:',
diff --git a/packages/xo-web/src/xo-app/index.js b/packages/xo-web/src/xo-app/index.js
index 0c92d200090..e09eef54242 100644
--- a/packages/xo-web/src/xo-app/index.js
+++ b/packages/xo-web/src/xo-app/index.js
@@ -82,18 +82,30 @@ const BODY_STYLE = {
   width: '100%',
 }
 
+const WrapperIconPoolLicense = ({ children, tooltip }) => (
+  <Tooltip content={tooltip}>
+    <a href='https://xcp-ng.com' rel='noreferrer noopener' target='_blank'>
+      {children}
+    </a>
+  </Tooltip>
+)
+
 export const ICON_POOL_LICENSE = {
   total: tooltip => (
-    <Tooltip content={tooltip}>
+    <WrapperIconPoolLicense tooltip={tooltip}>
       <Icon icon='pro-support' className='text-success' />
-    </Tooltip>
+    </WrapperIconPoolLicense>
   ),
   partial: tooltip => (
-    <Tooltip content={tooltip}>
+    <WrapperIconPoolLicense tooltip={tooltip}>
       <Icon icon='alarm' className='text-warning' />
-    </Tooltip>
+    </WrapperIconPoolLicense>
+  ),
+  any: () => (
+    <WrapperIconPoolLicense tooltip={_('poolNoSupport')}>
+      <Icon icon='alarm' className='text-danger' />
+    </WrapperIconPoolLicense>
   ),
-  any: () => <Icon icon='alarm' className='text-danger' />,
 }
 
 @routes('home', {