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Slower SMB Read Performance for large files in 22H2

Heya folks, Ned here again. There is a performance regression in 22H2 when copying larger files from a remote computer down to a Windows 11 computer. A large (multi-GB file) might see as much as 40% less throughput over SMB when copying down ... continue reading
SMB authentication rate limiter now on by default in Windows Insider

SMB authentication rate limiter now on by default in Windows Insider

Heya folks, Ned here again. Back in the spring of 2022 we released a new SMB preview feature: the SMB authentication rate limiter. It is available in Windows 11 Insider and Windows Server Insider builds. IT staff often enable access to the SMB server service ... continue reading
SMB compression behavior & settings changes

SMB compression behavior & settings changes

Heya folks, Ned here again. As you know from a previous post, we released an end-to-end SMB compression capability with Windows 11 and Windows Server 2022. You can learn all about it at SMB Compression | Microsoft Docs.    There was ... continue reading
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SMB1 now disabled by default for Windows 11 Home Insiders builds

Heya folks, Ned here again. I have a pretty big announcement: we've started the final phase of disabling SMB1 in Windows.   As you probably know, we began shipping Windows 10 and Windows Server with SMB1 not installed by default ... continue reading
SMB Authentication Rate Limiter in Insider builds

SMB Authentication Rate Limiter in Insider builds

Heya folks, Ned here again. I've got a new SMB preview feature to share: the SMB authentication rate limiter. It's available in Windows Server Insider build 25075. In a few weeks it will also appear in Windows Server Azure Edition Insider & Windows ... continue reading

Feedback on Hotpatch, SMB over QUIC, and Extended Network in Azure Edition

Heya folks, Ned here again. We released Windows Server 2022 Azure Edition in November as part of Azure Automanage, which included the Hotpatch preview, SMB over QUIC, & Azure Extended Network features. In February, we also GA'ed the Hotpatch feature. We ... continue reading

SMS WAC extension 2.6.2 released

Heya folks, Ned here again. We just released a new Storage Migration Service extension for Windows Admin Center into the feed - look for an update marked as 2.6.2. This fixes a number of regressions that came in 2.6.0. We ... continue reading
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The mystery of the slow file copy from the fast computer

Heya folks, Ned here again. A customer contacted us about a strange behavior they were seeing when copying large files to a Windows Server 2019 cluster using SMB 3.1.1. Around every 5GB transferred, the copy would temporarily pause for a few seconds, then ... continue reading
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SMB over QUIC is GA and we have lots of news!

Heya folks, Ned here again. As you might have heard now in all the MS Ignite hullabaloo, Windows Server 2022 Datacenter: Azure Edition is now generally available and that means that SMB over QUIC is now generally available too! I ... continue reading
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SDDC extension update in Windows Admin Center

Create thinly provisioned volumes in Windows Admin Center Thin provisioning is a standout feature exclusive to Azure Stack HCI 21H2 and offers flexible capacity management. With thin provisioning, storage is allocated when needed and volumes can be over-provisioned (size larger ... continue reading