Authors

Mitchell Grande

Mitchell Grande

Systems Engineer
Contributions by Mitchell Grande

Hung Server Troubleshooting

When a server hangs, it can oftentimes be difficult to find the root cause.  There are a variety of potential factors, and narrowing it down can be tough.  Here, we'll review the general process for troubleshooting a hung server.

Mitchell Grande by Mitchell Grande

Azure News - June 2019

Summary of recent Azure updates, including Azure Bastion and Azure to Azure ASR improvements.

Mitchell Grande by Mitchell Grande

Windows Virtual Desktop Host Management

Windows Virtual Desktop brings us a modern, cloud-centric way to deliver desktops and applications to end-users.  Although the service takes care of the overhead of managing RDS infrastructure roles (such as the connection broker and gateway), the host servers themselves still need to be managed and maintained.

Mitchell Grande by Mitchell Grande

Diagnosing Slow Page Loads due to CRL Checks

Recently, a support ticket was opened for an issue where a couple of websites were slow to load after blocking outbound internet access from a VM.  The IP addresses of these websites were whitelisted, but the browser would hang for about 30 seconds before they'd load.  In the end, we found that the SSL certificate CRL check process was causing the hang.  Let's take a look at the diagnosis process and how we discovered the root cause.

Mitchell Grande by Mitchell Grande

Windows Virtual Desktop Management Web App

Windows Virtual Desktop entered public preview on March 21, 2019.  Currently, the only official way to manage Windows Virtual Desktop is via the PowerShell module.  Although support in the Azure Portal is coming, there is no public ETA.  In the meantime, there is an Azure Web App that you can deploy and host yourself to manage your WVD tenant.

Mitchell Grande by Mitchell Grande

Attack Surface Analyzer

Attack Surface Analyzer is an older tool that Microsoft has recently updated and re-released as v2.0.  This tool tracks changes to files, services, network ports, certificates, registry, and local user accounts.  Although it is primarily for Windows, it is an open source product available for macOS and Linux as well.

Mitchell Grande by Mitchell Grande

Key-based Authentication for OpenSSH on Windows

Windows Server 2019 has more native support for SSH via OpenSSH.  Here, we'll take a look at how to configure key-based authentication with OpenSSH on Windows.

Mitchell Grande by Mitchell Grande

Windows Update SHA-1 Deprecation

Another upcoming security change to Windows is the transition to SHA-2 code signing certificates for Windows Update.  This change will require updates to allow Windows 7, Server 2008, and Server 2008 R2 to continue receiving updates after July 2019.

Mitchell Grande by Mitchell Grande

Changes to Cross-forest Kerberos Delegation

Microsoft is planning to introduce a security update in July 2019 that will alter the way Kerberos delegation across forest trusts work.  If ignored, this update could negatively impact applications that rely on unconstrained delegation across a forest trust.

Mitchell Grande by Mitchell Grande