From 205ba8e029ab49400da309477686911a989b29c7 Mon Sep 17 00:00:00 2001 From: Iaan D'Souza-Wiltshire Date: Thu, 27 Jul 2017 00:42:08 +0000 Subject: [PATCH] Updated manage-protection-updates-windows-defender-antivirus.md --- .../manage-protection-updates-windows-defender-antivirus.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/windows/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md b/windows/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md index c25669250f..eb30b37ff0 100644 --- a/windows/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md +++ b/windows/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md @@ -64,10 +64,11 @@ The older the updates on an endpoint, the larger the download. However, you must Microsoft Update allows for rapid releases, which means it will download small deltas on a frequent basis. This ensures the best protection, but may increase network bandwidth. -The WSUS, Configuration Manager and MMPC sources will deliver less frequent updates. The size of the updates may be slightly larger than the frequent release from Microsoft Update (as the delta, or differences between the latest version and what is on the endpoint will be larger). This ensures consistent protection without increasing ad hoc network usage (although the amount of data may be the same or increased as the updates will be fewer, but may be slightly larger). +The WSUS, Configuration Manager, and MMPC sources will deliver less frequent updates. The size of the updates may be slightly larger than the frequent release from Microsoft Update (as the delta, or differences between the latest version and what is on the endpoint will be larger). This ensures consistent protection without increasing ad hoc network usage (although the amount of data may be the same or increased as the updates will be fewer, but may be slightly larger). > [!IMPORTANT] -> If you have set MMPC as a fallback source after WSUS or Microsoft Update, updates will only be downloaded from MMPC after 2 consecutive days of not being able to connect to the WSUS or Microsoft Update services. +> If you have set MMPC as a fallback source after WSUS or Microsoft Update, updates will only be downloaded from MMPC when the current update is considered to be out-of-date (by default, this is 2 consecutive days of not being able to apply updates from the WSUS or Microsoft Update services). +> You can, however, [set the number of days before protection is reported as out-of-date](https://docs.microsoft.com/en-us/windows/threat-protection/windows-defender-antivirus/manage-outdated-endpoints-windows-defender-antivirus#set-the-number-of-days-before-protection-is-reported-as-out-of-date). Each source has typical scenarios that depend on how your network is configured, in addition to how often they publish updates, as described in the following table: