{"id":2171,"date":"2022-01-06T10:38:09","date_gmt":"2022-01-06T10:38:09","guid":{"rendered":"https:\/\/arzhost.com\/blogs\/?p=2171"},"modified":"2025-09-11T14:25:27","modified_gmt":"2025-09-11T09:25:27","slug":"merge-option-for-differencing-disks","status":"publish","type":"post","link":"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/","title":{"rendered":"Merge Option for Differencing Disks : How to Use It"},"content":{"rendered":"<p>Need to figure out including Differencing Disks in Hyper-V for Quick <a href=\"https:\/\/docs.vmware.com\/en\/VMware-vSphere\/7.0\/com.vmware.vsphere.vm_admin.doc\/GUID-39D19B2B-A11C-42AE-AC80-DDA8682AB42C.html\" target=\"_blank\" rel=\"noopener\">VM Deployment<\/a>? We can help you. \u201cMerge Option for Differencing Disks : How to Use It\u201d Is an element of our Server Management Services. Around here at <a href=\"https:\/\/www.arzhost.com\/\"><strong><span style=\"color: #800000;\">ARZHOST<\/span><\/strong><\/a>, we assist our customers with a couple of Microsoft questions.<\/p>\n<p>Today, let us have a point-by-point examination of Differencing Disks in Hyper-V.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#Differencing_Disks_in_Hyper-V\" >Differencing Disks in Hyper-V<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#About_Properties\" >About Properties<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#Including_Differencing_Disks_in_Hyper-V_for_Quick_VM_Deployment\" >Including Differencing Disks in Hyper-V for Quick VM Deployment<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#1_Make_a_Reference_VHD_Image\" >1: Make a Reference VHD Image<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#2_Make_Differencing_Disks_and_VMs_on_Hyper-V\" >2: Make Differencing Disks and VMs on Hyper-V<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#3_Solidify_Differencing_Disks_in_Hyper-V\" >3: Solidify Differencing Disks in Hyper-V<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/arzhost.com\/blogs\/merge-option-for-differencing-disks\/#Termination\" >Termination<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Differencing_Disks_in_Hyper-V\"><\/span><strong>Differencing Disks in Hyper-V<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Differential circles are to make informer peaks and unique VM support systems use them. While making a picture or support, the current VM state is saved to a VHD archive.<\/p>\n<p>A Hyper-V differencing circle is a virtual hard plate. \u201cThe Merge Option is Available Only for Differencing Disks\u201d We use it to store the movements made to another virtual hard circle or the guest OS.<\/p>\n<p>Another exciting shot at differencing circles is making some essential OS pictures (VHD records) with each essential setting and programming. Thus, using this image, we can quickly send various virtual machines that usage. The VHD of the base picture and form all movements to their virtual plates. Accordingly, it realizes basic hold effects in plate space.<\/p>\n<p><a href=\"https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/differencing-disks-in-hyper-v.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone  wp-image-12946\" title=\"differencing disks in hyper v\" src=\"https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/differencing-disks-in-hyper-v-300x157.jpg\" alt=\"differencing disks in hyper v\" width=\"732\" height=\"383\" srcset=\"https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/differencing-disks-in-hyper-v-300x157.jpg 300w, https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/differencing-disks-in-hyper-v-1024x536.jpg 1024w, https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/differencing-disks-in-hyper-v-768x402.jpg 768w, https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/differencing-disks-in-hyper-v.jpg 1200w\" sizes=\"(max-width: 732px) 100vw, 732px\" \/><\/a><\/p>\n<p>The model under shows that including differential circles for 4 VMs reliant upon a singular VHD picture will require only 40 GB of plate space. While, with the standard association model, we need 150 GB.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"About_Properties\"><\/span><strong>About Properties<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A Hyper-V differencing circle, as opposed to a typical VHD, strongly lines with another parent plate. The differential circle is a child plate and doesn&#8217;t contain the full type of data on the VM circle. It has quite recently the movements the VM made during its action.<\/p>\n<p>The parent (design) VHD picture stays perfect. \u201cMerge Option for Differencing Disks\u201d All young person virtual machines on its establishment make the movements to their differencing plates. The size of a differencing plate is close to nothing.<\/p>\n<p><strong><u>Hyper-V differencing circles have the going with properties:<\/u><\/strong><\/p>\n<ol>\n<li>A Hyper-V differencing circle by and large interfaces with another virtual hard plate, together they structure a parent-kid relationship.<\/li>\n<li>It picks a parent circle when we make the Hyper-V differencing plate.<\/li>\n<li>They can store any application presents, security covers, etc allowing us to detach changes and leave the parent plate perfect.<\/li>\n<li>Hyper-V differencing circles can be incredible for progression and test purposes.<\/li>\n<li>It can grow excitedly, inferring that the child plate fills in size exactly when new data has stayed in contact with it.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Including_Differencing_Disks_in_Hyper-V_for_Quick_VM_Deployment\"><\/span><strong>Including Differencing Disks in Hyper-V for Quick VM Deployment<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To use differencing plates in Hyper-V for fast VM sending. \u201cThe Merge Option is Available Only for Differencing Disks\u201d our Hosting Expert Planners suggest following these methods:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Make_a_Reference_VHD_Image\"><\/span><strong>1: Make a Reference VHD Image<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>We can make a position VHD record using the Hyper-V Manager GUI or PowerShell. PowerShell is a great deal faster. We should present the Hyper-V module for Windows PowerShell to use the going with cmdlets:<\/p>\n<ul>\n<li><code>Enable WindowsOptionalFeature - Online - Feature Name Microsoft-Hyper-V-Management-PowerShell<\/code><\/li>\n<\/ul>\n<p><u>Make another VHDX record:<\/u><\/p>\n<ul>\n<li><code>new-vhd - way f:\\vms\\vhd\\WinSrv2016Base.vhdx - Size Bytes 50GB \u2013 Dynamic<\/code><\/li>\n<\/ul>\n<p><u>Make one more VM reliant upon it:<\/u><\/p>\n<ul>\n<li><code>new-vm - Name Template \u2013 Path f:\\vms\\vhd\\ - VHDPath f:\\vms\\vhd\\WinSrv2016Base.vhdx | '<\/code><\/li>\n<li><code>set-vmmemory \u2013 Dynamic Memory Enabled $true - Maximum Bytes 2GB - Minimum Bytes 512MB - Startup Bytes 1GB<\/code><\/li>\n<\/ul>\n<p><u>Mount the ISO record with the image of the best OS:<\/u><\/p>\n<ul>\n<li><code>add-vmdvddrive - VMName Template - Path d:\\WindowsServer2016DC.ISO<\/code><\/li>\n<\/ul>\n<p>After we make the new VM, we need to present an OS on it. \u201cThe Merge Option is Available Only for Differencing Disks\u201d This OS should plan fittingly (present drivers, update and change the system settings). Then, summarize the OS for the extra course of action using Sysprep:<\/p>\n<ul>\n<li><code>minimal circle %Systemroot%\\System32\\Sysprep<\/code><\/li>\n<li><code>Sysprep\/summarize\/oobe\/conclusion<\/code><\/li>\n<\/ul>\n<p><u>Appropriately, we get reference VM pictures.<\/u><\/p>\n<p>As of now, we can wipe out the VM itself (resulting in saving its VHDX report). To make an effort not to accidentally change this VHD report, which may crash all young person VMs, make it Read-only:<\/p>\n<ul>\n<li><code>Set-Item Property f:\\vms\\vhd\\WinSrv2016Base.vhdx - Name IsReadOnly - Value $true<\/code><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_Make_Differencing_Disks_and_VMs_on_Hyper-V\"><\/span><strong>2: Make Differencing Disks and VMs on Hyper-V<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><u>As of now we can make a couple of wards (kid) VHDx records:<\/u><\/p>\n<ul>\n<li><code>New-VHD - Parent Path: f:\\vms\\vhd\\WinSrv2016Base.vhdx - Path f:\\vms\\vhd\\Win2016-diff1.vhdx - Differencing<\/code><\/li>\n<li><code>New-VHD - Parent Path: f:\\vms\\vhd\\WinSrv2016Base.vhdx - Path f:\\vms\\vhd\\Win2016-diff2.vhdx \u2013 Differencing<\/code><\/li>\n<\/ul>\n<p>Right when we make a differencing circle using the practical association point. Select VHDX-&gt; Differencing as a plate plan. Then, show its name and the way to the parent circle. Using these Vhd records. \u201cThe Merge Option is Available Only for Differencing Disks\u201d we make two Hyper-V virtual machines:<\/p>\n<ul>\n<li><code>New-VM - Name \"Win2016-diff1\" - Generation 2 \u2013 Memory Startup Bytes 1GB \u2013 VHD Path f:\\vms\\vhd\\Win2016-diff1.vhdx - Switch Name \"Outside Network\"<\/code><\/li>\n<li><code>New-VM - Name \"Win2016-diff2\" - Generation 2 \u2013 Memory Startup Bytes 1GB \u2013 VHD Path f:\\vms\\vhd\\Win2016-diff2.vhdx - Switch Name \"External Network\"<\/code><\/li>\n<\/ul>\n<p><u>In the long run, start them:<\/u><\/p>\n<ul>\n<li><code>Start-VM Win2016-diff*<\/code><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_Solidify_Differencing_Disks_in_Hyper-V\"><\/span><strong>3: Solidify Differencing Disks in Hyper-V<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/solidify-differencing-disks-1.jpg\"><img decoding=\"async\" class=\"alignnone  wp-image-12948\" title=\"solidify differencing disks\" src=\"https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/solidify-differencing-disks-1-300x157.jpg\" alt=\"solidify differencing disks\" width=\"732\" height=\"383\" srcset=\"https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/solidify-differencing-disks-1-300x157.jpg 300w, https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/solidify-differencing-disks-1-1024x536.jpg 1024w, https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/solidify-differencing-disks-1-768x402.jpg 768w, https:\/\/arzhost.com\/blogs\/wp-content\/uploads\/2025\/09\/solidify-differencing-disks-1.jpg 1200w\" sizes=\"(max-width: 732px) 100vw, 732px\" \/><\/a><\/p>\n<p>In Windows 2008 R2 Hyper-V structure. It&#8217;s possible to unite differencing circles with the parent forever the VM. There is a cmdlet to do it. Mix VHD or an alternate result in the Edit menu of the virtual circle in Hyper-V Manager.<\/p>\n<ul>\n<li><code>Set-Item Property f:\\vms\\vhd\\WinSrv2016Base.vhdx - Name Is Read Only - Value $false<\/code><\/li>\n<li><code>$Mix = @ {<\/code><\/li>\n<li><code>Way = 'f:\\vms\\vhd\\Win2016-diff2.vhdx'<\/code><\/li>\n<li><code>Destination Path = 'f:\\vms\\vhd\\Win2016.vhdx'<\/code><\/li>\n<li><code>}<\/code><\/li>\n<li><code>Mix VHD @Merge<\/code><\/li>\n<\/ul>\n<p>To reduce the store of the circle subsystem by various permission to one parent VHD record. We recommend putting it on speedy plates. To hold this record back from altering into the typical discontent point. \u201cThe Merge Option is Available Only for Differencing Disks\u201d Consider the support approaches for it.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Termination\"><\/span><strong>Termination<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To close, including Differencing Disks in Hyper-V for Quick VM Deployment gives automatic additional space to get essential data. \u201cThe Merge Option is Available Only for Differencing Disks\u201d Today at arzhost.com, we saw how our Hosting Expert Planners go about with this inquiry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Need to figure out including Differencing Disks in Hyper-V for Quick VM Deployment? We can help you. \u201cMerge Option for Differencing Disks : How to Use It\u201d Is an element of our Server Management Services. Around here at ARZHOST, we assist our customers with a couple of Microsoft questions. Today, let us have a point-by-point [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6855,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,25,14,17,26,16,19],"tags":[],"table_tags":[],"class_list":["post-2171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hosting","category-knowledge","category-news","category-security","category-server","category-tutorial","category-window"],"_links":{"self":[{"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/posts\/2171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/comments?post=2171"}],"version-history":[{"count":4,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/posts\/2171\/revisions"}],"predecessor-version":[{"id":12949,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/posts\/2171\/revisions\/12949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/media\/6855"}],"wp:attachment":[{"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/media?parent=2171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/categories?post=2171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/tags?post=2171"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/arzhost.com\/blogs\/wp-json\/wp\/v2\/table_tags?post=2171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}