diff --git a/windows/security/threat-protection/microsoft-defender-antivirus/configure-network-connections-microsoft-defender-antivirus.md b/windows/security/threat-protection/microsoft-defender-antivirus/configure-network-connections-microsoft-defender-antivirus.md
index 2a7c5b7895..b5294a1f4b 100644
--- a/windows/security/threat-protection/microsoft-defender-antivirus/configure-network-connections-microsoft-defender-antivirus.md
+++ b/windows/security/threat-protection/microsoft-defender-antivirus/configure-network-connections-microsoft-defender-antivirus.md
@@ -53,7 +53,7 @@ Because your protection is a cloud service, computers must have access to the in
 | **Service**| **Description** |**URL** |
 | :--: | :-- | :-- |
 | Microsoft Defender Antivirus cloud-delivered protection service, also referred to as Microsoft Active Protection Service (MAPS)|Used by Microsoft Defender Antivirus to provide cloud-delivered protection|`*.wdcp.microsoft.com` <br/> `*.wdcpalt.microsoft.com` <br/> `*.wd.microsoft.com`|
-| Microsoft Update Service (MU)|	Security intelligence and product updates	|`*.update.microsoft.com`|
+| Microsoft Update Service (MU) <br/> Windows Update Service (WU)|	Security intelligence and product updates	|`*.update.microsoft.com` <br/> `*.delivery.mp.microsoft.com`<br/> `*.windowsupdate.com` <br/> for details see [Connection endpoints for Windows Update](https://docs.microsoft.com/windows/privacy/manage-windows-1709-endpoints#windows-update)|
 |Security intelligence updates Alternate Download Location (ADL)|	Alternate location for Microsoft Defender Antivirus Security intelligence updates if the installed Security intelligence is out of date (7 or more days behind)|	`*.download.microsoft.com`|
 | Malware submission storage|Upload location for files submitted to Microsoft via the Submission form or automatic sample submission	| `ussus1eastprod.blob.core.windows.net` <br/>    `ussus1westprod.blob.core.windows.net` <br/>    `usseu1northprod.blob.core.windows.net` <br/>    `usseu1westprod.blob.core.windows.net` <br/>    `ussuk1southprod.blob.core.windows.net` <br/>    `ussuk1westprod.blob.core.windows.net` <br/>    `ussas1eastprod.blob.core.windows.net` <br/>    `ussas1southeastprod.blob.core.windows.net` <br/>    `ussau1eastprod.blob.core.windows.net` <br/>    `ussau1southeastprod.blob.core.windows.net` |
 | Certificate Revocation List (CRL)|Used by Windows when creating the SSL connection to MAPS for updating the CRL	| `https://www.microsoft.com/pkiops/crl/` <br/> `https://www.microsoft.com/pkiops/certs` <br/>   `https://crl.microsoft.com/pki/crl/products` <br/> `https://www.microsoft.com/pki/certs` |