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Understanding Hard Disk Sector Size, Part 2: Support for 4K
UPDATE: VMware 6.5 (and VMFS 6.0) supports 512e drives as direct attached drives. vSphere & vSAN will expose 512 to Guest OS. However, VMware still does not support 4K. Read more in VMware’s KB announcement.We went over the …
Understanding Hard Disk Sector Size, Part 1: The Change
When was the last time you really had to care about the geometry of a hard disk? I would wager it’s been at LEAST 25 years. Well, worry not! We’re back to worrying about hard disk sector size again! Bear with me and I’ll tell you why.…
Windows 10 KB5006738 released with fixes for printing issues
Microsoft has released the optional KB5006738 Preview cumulative update for Windows 10 2004, Windows 10 20H2, and Windows 10 21H1.Microsoft says this update and a separate Windows Server preview update will fix all outstanding printing…
New Windows 10 KB5006670 update breaks network printing
DescrptionWindows 10 users and administrators report widescale network printing issues after installing the KB5006670 cumulative update and other updates released this week.These updates include KB5006674 for Windows 11, KB5006670 …
How to fix the Windows 0x0000011b network printing error
DescriptionA Windows security update released in January and now fully enforced this month is causing Windows users to experience 0x0000011b errors when printing to network printers.In January 2021, Microsoft released a security…
A User Account Restriction Is Preventing You From Logging On
Today we saw an issue after upgrading the forest level and domain level from 2008 to 2016 at a customer.Soon after the upgrade admins started seeing problems when connecting with RDP to the domain management servers:“A user…
Problem One, “HMACProvider.GetCertificates:protectionCertificates.Length<1”:
SymptomsWhen you try to sign in to Outlook on the web or the EAC in Exchange Server, the web browser freezes or reports that the redirect limit was reached. Additionally, Event 1003 is logged in the event viewer. For…
Manage Remote PowerShell Access to Exchange Online
Determine a User’s PowerShell Access to Exchange Online1. Let’s start by seeing which users have remote PowerShell access. If we want to see the status for our entire organization we can use a command with this syntax:…
VLAN Mapping for Cisco ASA Firewall in Transparent Mode
DescriptionToday I am going to talk about VLAN Mapping for Cisco ASA Firewall in Transparent mode. It gives you a fair idea and describes a solution to be able to insert an ASA in transparent mode between two switches to screen…
Released: September 2021 Quarterly Exchange Updates
Today we are announcing the availability of quarterly Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for customer reported issues, all previously released security updates, and a new…