Outlook stops responding or performance issues after EmailScan plug-in is loaded
技術的な記事 ID:
KB77573
最終更新: 4/30/2020
最終更新: 4/30/2020
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この記事は、次の言語で表示可能です:
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Outlook stops responding or performance issues after EmailScan plug-in is loaded
技術的な記事 ID:
KB77573
最終更新: 4/30/2020 環境McAfee VirusScan Enterprise (VSE) 8.8 with or without patches
Microsoft Outlook 2010, 2013, 2016 概要
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問題Users report any of the following symptoms:
原因
When new email arrives, it triggers action from the EmailScan plug-in. The Outlook client is locked (to the user this could be seen as unresponsive) while steps are taken to determine the new mail object is safe, after which the client is released. The symptom of Outlook being locked (unresponsive) is intentional to avoid users accessing potentially infected mail. But, an unreasonable delay is not intentional and is typically a result of an issue highlighting the incurred pause. Email scan process
The prolonged scan duration where Outlook remains paused can be influenced by multiple external factors to which VirusScan is subject, and that include the following:
The duration of the pause can be influenced by features and settings native to VirusScan Enterprise that include:
解決策
The underlying behavior of locking the Outlook client while the scanning process occurs is expected behavior. It secures against users starting mail/attachments before they can be scanned. Excessive delays are not desired and improvements have been made within the VSE product releases for the following:
See the Solution 2 section for assistance with minimizing the delay. Patches are cumulative; McAfee recommends that you install the latest one. VSE 8.8 Patch 16 is the latest patch available from the Downloads tab on the ServicePortal at https://support.mcafee.com/downloads.
NOTE: VSE 8.8 Patch 16 supports all supported Windows operating systems. McAfee product software, upgrades, maintenance releases, and documentation are available from the Product Downloads site at: https://www.mcafee.com/enterprise/en-us/downloads/my-products.html.
NOTE: You need a valid Grant Number for access. See KB56057 - How to download Enterprise product updates and documentation for more information about the Product Downloads site, and alternate locations for some products. 解決策Best practices to minimize the delay:
回避策
Disable the EmailScan feature via policy. NOTE: This can be an effective workaround when the underlying performance issue main cause is unavoidable, such as a roaming user profile resulting in a PST on a remote share. It is advised that you evaluate whether you can safely disable the EmailScan feature in your environment (for example, when the Exchange server is already protected). Or, remove the On-Delivery Email Scanner component from the installation. For how to remove or prevent installation of the VirusScan Enterprise On Delivery Email Scanner, see KB69030. 関連情報
Also see a related article which covers the topic Performance improvement tips for VirusScan Enterprise 8.8. For details, see KB79673.
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