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Discover cloud storage solutions at Azure Storage Day on April 29, 2021

Guest post from the Azure Storage team We are excited to announce Azure Storage Day, a free digital event on April 29, 2021, where you can explore cloud storage solutions for all your enterprise workloads. Join us to: Understand cloud ... continue reading

Register for Microsoft Plugfest 33

(guest post from Amrit Shandilya from the Microsoft File System Minifilter Team) Hello! We are excited to announce that Plugfest 33 has been scheduled! In light of global health concerns due to novel coronavirus (COVID-19), Plugfest is going virtual for ... continue reading

SMS “HRESULT E_FAIL from COM component” workaround coming

Heya, Ned here again. Storage Migration Service admins: if you're seeing "Error HRESULT E_FAIL has been returned from a call to a COM component" during transfer validation after installing the November cumulative update, we have a workaround coming to WAC, ... continue reading

Storage Migration Service October 2020 Update

Heya folks, Ned here again. We've released our next set of features and fixes for the Windows Server 2019 Storage Migration Service, as part of cumulative update KB4580390 (Windows Server 2019) & KB4580386 (SAC 1903, 1909) This update comes optionally ... continue reading

Defending SMB Clients from Interception Attacks

Heya folks, Ned here again. I recently wrote a guest post on the IT Ops Talk blog about increasing security on your SMB clients. It's about defending against interception attacks (previously called "man-in-the-middle" attacks) and includes specific recommendations, steps, and ... continue reading

SMB Traffic Control

Heya folks, Ned here again. I recently wrote a guest post on the IT Ops Talk blog about increasing security by controlling SMB traffic's ingress, egress, and lateral movement. You'll learn best practices, hands-on steps, and gain a deeper understanding ... continue reading


Heya folks, Ned here again. I wrote a new blog post, SMB over QUIC: Files Without the VPN. Learn about this new optional feature coming to replace TCP/IP for scenarios like hybrid computing and mobile workers - VPN'less SMB 3.1.1 ... continue reading

SMB is Dead, Long Live SMB!

Hello again, James Kehr here with another guest post. Titles are hard to do. They must convey the topic to the reader while being both interesting and informative, all at the same time. Doing this with a technical article makes ... continue reading

SMB and Null Sessions: Why Your Pen Test is Probably Wrong

Hi everyone, James Kehr here with a guest post. One of the SMB cases we get regularly at Microsoft Support is, “my pen test says you allow Null sessions!” Followed by a string of CVE numbers; like, CVE-1999-0519 and CVE-1999-0520 ... continue reading

Fix for the Storage Migration Service “Couldn’t transfer storage on any of the endpoints” issue

Heya folks, Ned here again. For those of you seeing this issue: With an error in WAC like: "Couldn't transfer storage on any of the endpoints. 0x9044" And detailed error in WAC like: "Check if the source device is ... continue reading