<h2>Upgrade to the Tokyo release</h2><br/><div style="overflow-x:auto"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta content="text/html; charset=UTF-8" /><meta name="copyright" content="(C) Copyright 2024" /><meta name="DC.rights.owner" content="(C) Copyright 2024" /><meta name="generator" content="DITA-OT" /><meta name="DC.type" content="concept" /><meta name="DC.title" content="Upgrade to the Tokyo release" /><meta name="abstract" content="Upgrading and patching your instance requires planning, testing, and validation. To ensure a safe and effective upgrade, read the release notes, create upgrade plans, and test your upgrade on non-production instances before upgrading your production instance." /><meta name="description" content="Upgrading and patching your instance requires planning, testing, and validation. To ensure a safe and effective upgrade, read the release notes, create upgrade plans, and test your upgrade on non-production instances before upgrading your production instance." /><meta name="DC.creator" content="ServiceNow" /><meta name="DC.date.created" content="2022-08-04" /><meta name="DC.date.modified" content="2022-08-04" /><meta name="DC.format" content="XHTML" /><meta name="DC.identifier" content="upgrades-overview" /><link rel="stylesheet" type="text/css" href="../../../CSS/commonltr.css" /><title>Upgrade to the Tokyo release</title></head><body id="upgrades-overview"> <h1 class="title topictitle1" id="ariaid-title1">Upgrade to the <span class="ph">Tokyo</span> release</h1> <div class="body conbody"><p class="shortdesc">Upgrading and patching your instance requires planning, testing, and validation. To ensure a safe and effective upgrade, read the release notes, create upgrade plans, and test your upgrade on non-production instances before upgrading your production instance.</p> <div class="p"><div class="note important"><span class="importanttitle">Important:</span> These topics contain in-depth explanations about upgrades. For a step-by-step reference of upgrade steps, refer to the <a class="xref" href="../common/../upgrades-planning-checklist.html" title="Plan and track the activities related to your ServiceNow instance upgrade. To help ensure that you complete all the tasks for a successful upgrade, follow the step-by-step instructions in the upgrade planning checklist to track and plan the upgrade.">Upgrade planning checklist</a>.</div> </div> <div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="upgrades-overview__table_sqt_d3p_d2b" class="table" frame="border" border="1" rules="all"><colgroup><col style="width:16.666666666666664%" /><col style="width:83.33333333333334%" /></colgroup><tbody class="tbody"><tr class="row"><td class="entry nocellnorowborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_e45_11f_h3b" width="80" height="80" src="../image/phase1-book.png" alt="Release notes" /></p> </td><td class="entry cell-norowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-1.html" title="Before you begin the upgrade process, it is essential to read the release notes for your target version so you understand the required upgrade and migration tasks. This information helps you plan a safe and effective upgrade.">Phase 1 - <span class="ph">Read the release notes and plan your upgrade</span></a></dt><dd class="dd"><span class="ph">Before you begin the upgrade process, it is essential to read the release notes for your target version so you understand the required upgrade and migration tasks. This information helps you plan a safe and effective upgrade.</span></dd></dl> </td></tr><tr class="row"><td class="entry nocellnorowborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_hhv_j1f_h3b" width="80" height="80" src="../image/phase2-checklist.png" alt="Upgrade checklist" /></p> </td><td class="entry cell-norowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-2.html" title="For a better understanding of your production upgrade duration, request a full clone of your production instance (including large tables and attachments) onto a non-production instance. Confirm your current and target release versions, because you will later use this information when scheduling your upgrade in Now Support.">Phase 2 - <span class="ph">Prepare for the development instance upgrade</span></a></dt><dd class="dd"><span class="ph">For a better understanding of your production upgrade duration, request a full clone of your production instance (including large tables and attachments) onto a non-production instance. Confirm your current and target release versions, because you will later use this information when scheduling your upgrade in <span class="ph">Now Support</span>.</span></dd></dl> </td></tr><tr class="row"><td class="entry nocellnorowborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_yyw_m1f_h3b" width="80" height="80" src="../image/phase3-calendar.png" alt="Calendar with an upgrade date" /></p> </td><td class="entry cell-norowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-3.html" title="Check the configuration of the Check distribution for possible upgrade scheduled job to view how often and when it runs. Review information about timing your upgrade in coordination with the Check distribution for possible upgrade scheduled job. Then, schedule your upgrade in Now Support.">Phase 3 - <span class="ph">Verify your upgrade configurations and schedule the development instance upgrade in <span class="ph">Now Support</span> </span></a></dt><dd class="dd"><span class="ph"> <span class="ph">Check the configuration of the <span class="keyword parmname">Check distribution for possible upgrade</span> scheduled job to view how often and when it runs.</span> Review information about timing your upgrade in coordination with the <span class="keyword parmname">Check distribution for possible upgrade</span> scheduled job. Then, schedule your upgrade in <span class="ph">Now Support</span>.</span></dd></dl> </td></tr><tr class="row"><td class="entry nocellnorowborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_znv_p1f_h3b" width="80" height="80" src="../image/phase4-upgrade-progress-checkmark.png" alt="Upgrade progress screen" /></p> </td><td class="entry cell-norowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-4.html" title="Track the progress of your upgrades with the Upgrade Monitor. For your first non-production instance upgrade (your development instance), use the Upgrade Monitor to process the skipped list of records that were not addressed in the upgrade. Then identify your update sets and perform functional testing.">Phase 4 - <span class="ph">Upgrade and validate the development instance</span></a></dt><dd class="dd"><span class="ph">Track the progress of your upgrades with the Upgrade Monitor. For your first non-production instance upgrade (your development instance), use the Upgrade Monitor to process the skipped list of records that were not addressed in the upgrade. Then identify your update sets and perform functional testing.</span></dd></dl> </td></tr><tr class="row"><td class="entry nocellnorowborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_vbx_r1f_h3b" width="80" height="80" src="../image/phase5-recursive-arrow.png" alt="Upgrade other instances" /></p> </td><td class="entry cell-norowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-5.html" title="After you've configured and refined your development instance, request to upgrade any other non-production instances you have, such as a test instance. Immediately after the upgrade is complete, apply the post-upgrade changes made to your development instance, including activating optional plugins, installing and upgrading applications, and applying update sets.">Phase 5 - <span class="ph">If applicable: Upgrade and validate your other non-production instances, such as your test instance</span></a></dt><dd class="dd"><span class="ph">After you've configured and refined your development instance, request to upgrade any other non-production instances you have, such as a test instance. Immediately after the upgrade is complete, apply the post-upgrade changes made to your development instance, including activating optional plugins, installing and upgrading applications, and applying update sets.</span></dd></dl> </td></tr><tr class="row"><td class="entry nocellnorowborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_npf_w1f_h3b" width="80" height="80" src="../image/phase2-checklist.png" alt="Upgrade checklist" /></p> </td><td class="entry cell-norowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-6.html" title="After you have configured and refined your test environment to be a good representation of your production environment, prepare to upgrade your production instance.">Phase 6 - <span class="ph">Prepare to upgrade the production instance</span></a></dt><dd class="dd"><span class="ph">After you have configured and refined your test environment to be a good representation of your production environment, prepare to upgrade your production instance.</span></dd></dl> </td></tr><tr class="row"><td class="entry row-nocellborder" style="vertical-align:top;"><p class="p"><img class="image" id="upgrades-overview__image_k4z_y1f_h3b" width="80" height="80" src="../image/phase4-upgrade-progress-checkmark.png" alt="Upgrade progress screen" /></p> </td><td class="entry cellrowborder" style="vertical-align:top;"><dl class="dl"><dt class="dt dlterm"><a class="xref" href="../task/upgrades-phase-7.html" title="After you have upgraded your development, non-production, and test instances, upgrade your production instance last. Then validate that the upgrade was complete, apply update sets and fix scripts, and perform post-upgrade user acceptance testing (UAT).">Phase 7 - <span class="ph">Upgrade the production instance</span></a></dt><dd class="dd"><span class="ph">After you have upgraded your development, non-production, and test instances, upgrade your production instance last. Then validate that the upgrade was complete, apply update sets and fix scripts, and perform post-upgrade user acceptance testing (UAT).</span></dd></dl> </td></tr></tbody></table> </div> </div> </body></html></div>