{"id":282,"date":"2025-11-03T08:11:05","date_gmt":"2025-11-03T08:11:05","guid":{"rendered":"https:\/\/www.lighthouse-program.com\/?p=282"},"modified":"2025-11-03T08:11:05","modified_gmt":"2025-11-03T08:11:05","slug":"lessi-learned-week-45-2025","status":"publish","type":"post","link":"https:\/\/www.lighthouse-program.com\/?p=282","title":{"rendered":"Lessi learned &#8211; week 45\/2025"},"content":{"rendered":"\n<p class=\"has-white-color has-text-color has-link-color wp-elements-98010e1eaaac73a9cac75c8f3c4ec9c8 wp-block-paragraph\"><strong>Welcome to the \u201cLessi Learned\u201d Newsletter, 2nd Edition!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:18% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"1024\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/disk-attack-687x1024.jpg\" alt=\"\" class=\"wp-image-373 size-full\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/disk-attack-687x1024.jpg 687w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/disk-attack-201x300.jpg 201w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/disk-attack-768x1144.jpg 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/disk-attack-141x210.jpg 141w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/disk-attack.jpg 784w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">At <strong>Veeam On Tour Austria<\/strong> last week, I picked up a fun little piece of IT history:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">what might have been the world\u2019s first hacker attack happened all the way back in <strong>1989<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A well-intentioned biologist distributed \u201cAIDS Information\u201d floppy disks at a medical conference \u2014 only for recipients to find that the disks also installed ransomware on their computers.<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Whether or not it truly counts as the first cyberattack, it\u2019s a great reminder of how far we\u2019ve come. Back then, the damage was minimal and mostly academic. Today, attacks are industrialized, automated, and capable of taking entire businesses offline. Which is exactly why keeping your <strong>disaster recovery systems<\/strong> modern, tested, and evolving isn\u2019t just good practice \u2014 it\u2019s essential.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So, let\u2019s take a look at what I\u2019ve taken away from the past few days:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:17% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/lightning.png\" alt=\"\" class=\"wp-image-297 size-full\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/lightning.png 1024w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/lightning-300x300.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/lightning-150x150.png 150w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/lightning-768x768.png 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/lightning-210x210.png 210w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h1 class=\"wp-block-heading\"><strong>Newsflash<\/strong><\/h1>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-vertically-aligned-top\" style=\"grid-template-columns:auto 29%\"><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\"><strong>Veeam Data Platform V13<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Join us on <strong>November 19th<\/strong> for the global launch event of Veeam Data Platform Version 13!<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-1024x512.png\" alt=\"\" class=\"wp-image-339 size-full\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-1024x512.png 1024w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-300x150.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-768x384.png 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-1536x768.png 1536w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-2048x1024.png 2048w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-210x105.png 210w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-1960x980.png 1960w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/global-launch-2025-scaled.png 2560w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The Veeam team\u2014including Anand Eswaran, Anton Gostev, Rick Vanover, Emilee Tellez, and others\u2014will deliver an event packed with news and insights. Deep Dive Breakout Sessions will give you everything you need to know to stay ahead.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Excited? Register now: <a href=\"https:\/\/www.veeam.com\/veeamon-global-launch\" target=\"_blank\" rel=\"noreferrer noopener\">Veeam Virtual Launch Event<\/a><\/p>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Veeam Backup for M365 8.x in use?<\/h3>\n\n\n\n<div style=\"height:11px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:15% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"1024\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/NATS-Server-love-687x1024.jpg\" alt=\"\" class=\"wp-image-384 size-full\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/NATS-Server-love-687x1024.jpg 687w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/NATS-Server-love-201x300.jpg 201w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/NATS-Server-love-768x1144.jpg 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/NATS-Server-love-141x210.jpg 141w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/NATS-Server-love.jpg 784w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">If you deployed or upgraded to <strong>Veeam Backup for Microsoft 365 v8.0<\/strong> last year, chances are your NATS Server is still running <strong>v2.10.18<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While VB365 continues to support this version, it is recommended to update to <strong>v2.10.28<\/strong>. Why? Because the latest version comes with a bundle of bug fixes and improvements.<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Good news: The <strong>VB365 v8.1.2 ISO<\/strong> already includes the <strong>v2.10.28 binaries<\/strong>, so upgrading is straightforward. For detailed steps, check out the following KB: <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a>KB4742 \u2013 How to Upgrade the NATS Server Used by Veeam Backup for Microsoft 365<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Want to see which NATS version you\u2019re running right now? Here are a couple of quick options:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Option 1 \u2013 Classic Command Line:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sc.exe qc nats-server\n\"&lt;path-to-nats-server.exe&gt;\" -v\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Option 2 \u2013 Quick Peek in Task Manager:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Open Task Manager \u2192 Find <code>nats-server.exe<\/code> \u2192 Right-click \u2192 Properties \u2192 Details.<\/li>\n\n\n\n<li>The version number is displayed neatly under \u201cProduct version\u201d \u2013 no command line needed!<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you like the command line or prefer a GUI peek, it only takes a moment to check. Once you confirm your version, upgrading to v2.10.28 is a breeze \u2013 and your VB365 environment will thank you.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:36px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Veeam Software Appliance Access Recovery<\/h3>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">If all Host Admin accounts or MFA credentials for your Veeam Software Appliance are lost, access recovery is still possible.<br><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM-1024x683.png\" alt=\"\" class=\"wp-image-365\" style=\"width:268px;height:auto\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM-1024x683.png 1024w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM-300x200.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM-768x512.png 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM-210x140.png 210w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM-480x320.png 480w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-30-2025-05_46_37-PM.png 1536w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Veeam\u2019s <strong><a href=\"https:\/\/www.veeam.com\/kb4761?utm_source=chatgpt.com\">KB4761<\/a><\/strong> outlines how to use the <strong>Veeam Live OS ISO<\/strong> to regain <em>root access<\/em> and reset credentials. By booting from the ISO, admins can unlock accounts or change passwords without redeploying the appliance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br>This method is intended as a <strong>last-resort option<\/strong> when no admin login remains. To prevent lockouts, keep at least two admin accounts and include the ISO steps in your DR plan.<\/p>\n\n\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Patch your systems!<\/h3>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Keeping your environment up to date is crucial. Here are the key updates from the past few days:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"1024\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/server-patch-687x1024.jpg\" alt=\"\" class=\"wp-image-371\" style=\"width:142px;height:auto\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/server-patch-687x1024.jpg 687w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/server-patch-201x300.jpg 201w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/server-patch-768x1144.jpg 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/server-patch-141x210.jpg 141w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/server-patch.jpg 784w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.veeam.com\/kb4771\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Veeam Backup &amp; Replication 12.3.2.4165 Patch \/ KB 4771<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I already listed this patch in the last newsletter. Unfortunately I still see many domain joined environments without that important fix. So if you were not able to install it, it really makes sense to do it now.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.veeam.com\/kb4751\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Veeam Backup for Microsoft 365 8.2 \/ KB4751<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For the full list of enhancements please read the KB listed in the heading carefully.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What&#8217;s included in v8.2, some highlights:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Faster retention runs on object storage repositories<\/li>\n\n\n\n<li>added platform support (eg. Windows Server 2025 support, RHEL 6.5 support for proxy servers,&#8230;)<\/li>\n\n\n\n<li>Collect product logs for a specific tenant or backup job (great feature for Service Provider)<\/li>\n\n\n\n<li>Improved memory usage on the Veeam Backup&nbsp;<em>for Microsoft&nbsp;365<\/em>&nbsp;controller<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Beside that v8.2 delivers a number of bugfixes and some improvements in data management, talking about the Move-VBOEntityData cmdlet.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:17% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/bulb.png\" alt=\"\" class=\"wp-image-300 size-full\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/bulb.png 1024w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/bulb-300x300.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/bulb-150x150.png 150w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/bulb-768x768.png 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/bulb-210x210.png 210w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h1 class=\"wp-block-heading\"><strong>Lessons learned<\/strong><\/h1>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"color: #ffffff;\"><strong>My lessons learned this week: Unlimited = 128?<\/strong><\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I recently stumbled across an interesting fact that I wanted to share: someone expected that unchecking the box <strong>\u201cLimit maximum concurrent tasks to\u2026\u201d in the Veeam Repository settings<\/strong> would give them truly unlimited tasks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The surprise? \u201cUnlimited\u201d in the user interface actually defaults to <strong>128 tasks<\/strong>. Not exactly infinite, right?<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"754\" height=\"537\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/repository-limit-tasks.png\" alt=\"\" class=\"wp-image-343\" style=\"width:456px;height:auto\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/repository-limit-tasks.png 754w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/repository-limit-tasks-300x214.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/repository-limit-tasks-210x150.png 210w\" sizes=\"auto, (max-width: 754px) 100vw, 754px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To go beyond that limit, you can use the <strong>UIMaxConcurrentTasks<\/strong> registry key:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Location:<\/strong> <code>HKEY_LOCAL_MACHINE\\SOFTWARE\\Veeam\\Veeam Backup for Microsoft 365<\/code><\/li>\n\n\n\n<li><strong>Type:<\/strong> <code>DWORD<\/code><\/li>\n\n\n\n<li><strong>Value:<\/strong> Set the maximum number of concurrent tasks you want (e.g., 256)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Once set, restart the Veeam Backup service, and the repository will honor the new limit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lesson learned:<\/strong> sometimes \u201cunlimited\u201d really is just 128 \ud83d\ude42<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:17% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/Pin.png\" alt=\"\" class=\"wp-image-298 size-full\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/Pin.png 1024w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/Pin-300x300.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/Pin-150x150.png 150w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/Pin-768x768.png 768w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/Pin-210x210.png 210w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h1 class=\"wp-block-heading\"><strong>Feature of the day<\/strong><\/h1>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In this episode, I want to highlight a feature that has saved me more than once: <strong>Veeam&#8217;s Quick Rollback<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I\u2019m pretty sure you know this challenge \u2014 restoring a large VM from the previous night\u2019s backup after something went wrong (maybe even caused by the administrator himself).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What makes Quick Rollback so powerful is that it only needs to restore the small percentage of data blocks that actually changed since the last backup. The result? The VM was back online in record time \u2014 long before my coffee had a chance to cool.<\/p>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"color: #ffffff;\">\ud83e\udde9<strong> How It Works: Like a Puzzle, But Faster<\/strong><\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Imagine your VM as a puzzle made up of thousands of tiny blocks. Each block represents a piece of data. When something goes wrong\u2014be it a botched update, a rogue application, or a user error\u2014only a few blocks are out of place. With Quick Rollback, Veeam doesn&#8217;t rebuild the entire puzzle. Instead, it identifies and restores only the changed blocks, using VMware&#8217;s Changed Block Tracking (CBT) technology. This targeted approach means you get back to business faster, with minimal impact on your production environment<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"754\" height=\"537\" src=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/quick-rollback.png\" alt=\"\" class=\"wp-image-350\" srcset=\"https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/quick-rollback.png 754w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/quick-rollback-300x214.png 300w, https:\/\/www.lighthouse-program.com\/wp-content\/uploads\/2025\/10\/quick-rollback-210x150.png 210w\" sizes=\"auto, (max-width: 754px) 100vw, 754px\" \/><\/figure>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"color: #ffffff;\">\u26a0\ufe0f<strong> Know When Not to Use It<\/strong><\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quick Rollback isn&#8217;t a one-size-fits-all solution. It&#8217;s designed for guest OS-level issues\u2014like application errors or accidental file deletions. However, if the problem stems from VM hardware failures, storage issues, or power outages, CBT data may be unreliable, leading to potential data corruption. In such cases, a full restore is the safer bet<\/p>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"color: #ffffff;\">\ud83e\udde0 <strong>My summary<\/strong><\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Veeam&#8217;s Quick Rollback is a powerful tool for rapid recovery, especially when dealing with OS-level issues. By restoring only the changed data blocks, it minimizes downtime and gets your VM back in action quickly. Just remember to assess the root cause of the issue before opting for this feature, and always ensure the necessary prerequisites are in place.<\/p>\n\n\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:39px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Thanks for reading<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">I hope you enjoyed the 2nd edition of my Lessi-Learned Newsletter. Thank you for reading even these last lines!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Got feedback or something you want to see in the next edition? Leave a comment, write me on X (<a href=\"https:\/\/x.com\/lessi001\" data-type=\"link\" data-id=\"https:\/\/x.com\/lessi001\" target=\"_blank\" rel=\"noreferrer noopener\">@lessi001<\/a>) or connect at <a href=\"https:\/\/www.linkedin.com\/in\/andreas-lesslhumer-2bb2725b\/\" target=\"_blank\" rel=\"noreferrer noopener\">LinkedIn<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to the \u201cLessi Learned\u201d Newsletter, 2nd Edition! At Veeam On Tour Austria last week, I picked up a fun little piece of IT history: what might have been the world\u2019s first hacker attack happened all the way back in 1989. A well-intentioned biologist distributed \u201cAIDS Information\u201d floppy disks at a medical conference \u2014 only [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-282","post","type-post","status-publish","format-standard","hentry","category-newsletter"],"_links":{"self":[{"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=\/wp\/v2\/posts\/282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=282"}],"version-history":[{"count":53,"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=\/wp\/v2\/posts\/282\/revisions"}],"predecessor-version":[{"id":392,"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=\/wp\/v2\/posts\/282\/revisions\/392"}],"wp:attachment":[{"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lighthouse-program.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}