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Group Policy Caching in Windows 8.1

July 28, 2013

Group Policy Caching is yet another feature in Windows 8.1. It now caches synchronous group policy updates so that logon performance is improved. You only really get the benefit when you are connected via a high latency WAN link.

To understand how much of a benefit this will be will depend on your link speed and your environment. For each GPO you processed by your computer it performs 5 LDAP lookups. If you are doing this over a 200ms latency WAN link then this single GPO will take 1 second to download and process. If you have 200 GPOs then it will take over 3minutes! This is where Group Policy Caching’s benefit is realised.

Another great feature!

Mark

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From → Windows 8.1

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