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        "title": "Update SPNs after service identity or hostname changes",
        "summary": "Use How to configure SPN for Windows Server to review this narrow operational decision without extending the source beyond its stated scope.",
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        "dse_recommendation": "Compare the observed state with the cited official source, document applicability and exceptions, and test any approved change with rollback safeguards.",
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            "name": "How to configure SPN for Windows Server",
            "url": "https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/how-to-configure-spn",
            "published_on": "2025-03-24",
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        "content_html": "<p>Treat this document as a focused evidence review: Update SPNs after service identity or hostname changes. Only the official source and traced locations below supply facts. Confirm applicability before acting.</p>\n<h2>Source fact:</h2>\n<p>The official <a href=\"https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/how-to-configure-spn\" target=\"_blank\" rel=\"noopener noreferrer\">How to configure SPN for Windows Server</a> from Microsoft supports the following bounded statements:</p>\n<ul>\n<li>Setspn reads, modifies, and deletes the SPN directory property for AD service accounts. The research record locates this support at <strong>Opening overview</strong>.</li>\n<li>SPNs are normally created automatically but can require updates after computer renames or application-specific service changes. The research record locates this support at <strong>Opening overview</strong>.</li>\n</ul>\n<p>Keep the evidence boundary at these traced claims. They support a review of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles; they do not support conclusions outside the source&#8217;s stated conditions.</p>\n<h2>What the source does not establish</h2>\n<p>Check for duplicates and Kerberos dependencies before adding, deleting, or reassigning an SPN. The citation is not a substitute for observed state, authorization, compliance evidence, or dependency health. Examine Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before translating the source into an operational decision.</p>\n<h2>Applicability questions</h2>\n<ul>\n<li>For source statement 1 at <strong>Opening overview</strong>, which observable configuration, record, or test can confirm applicability here?</li>\n<li>For source statement 2 at <strong>Opening overview</strong>, which observable configuration, record, or test can confirm applicability here?</li>\n<li>What inventory proves which parts of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles are in and out of scope?</li>\n<li>Which condition in Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity must be healthy before evidence is trustworthy?</li>\n<li>What result would disprove the working assumption and return the issue to the owner?</li>\n</ul>\n<h2>DSE recommendation:</h2>\n<p>DSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles, observed and expected states, owner, and reason for deviation.</p>\n<p>An implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before and after the test, and store only sanitized operational evidence.</p>\n<h2>Verification and evidence</h2>\n<p>A reviewer should be able to retrace the decision from <strong>Opening overview</strong>; <strong>Opening overview</strong> through directory and policy exports, replication and locator tests, event logs, trust state, role ownership, and controlled authentication tests. Record what was collected, where, when, by whom, and which system or role it represents.</p>\n<p>Retain the starting state, authorization, execution record, outcome, deviation, and final state as one review package. Move disruptive checks to an approved test path. Reopen the decision when versions, design, dependencies, ownership, or official guidance changes.</p>\n<h2>Official references</h2>\n<ul>\n<li><a href=\"https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/how-to-configure-spn\" target=\"_blank\" rel=\"noopener noreferrer\">How to configure SPN for Windows Server</a> — Microsoft</li>\n</ul>",
        "content_text": "Treat this document as a focused evidence review: Update SPNs after service identity or hostname changes. Only the official source and traced locations below supply facts. Confirm applicability before acting.\nSource fact:\nThe official How to configure SPN for Windows Server from Microsoft supports the following bounded statements:\n\nSetspn reads, modifies, and deletes the SPN directory property for AD service accounts. The research record locates this support at Opening overview.\nSPNs are normally created automatically but can require updates after computer renames or application-specific service changes. The research record locates this support at Opening overview.\n\nKeep the evidence boundary at these traced claims. They support a review of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles; they do not support conclusions outside the source’s stated conditions.\nWhat the source does not establish\nCheck for duplicates and Kerberos dependencies before adding, deleting, or reassigning an SPN. The citation is not a substitute for observed state, authorization, compliance evidence, or dependency health. Examine Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before translating the source into an operational decision.\nApplicability questions\n\nFor source statement 1 at Opening overview, which observable configuration, record, or test can confirm applicability here?\nFor source statement 2 at Opening overview, which observable configuration, record, or test can confirm applicability here?\nWhat inventory proves which parts of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles are in and out of scope?\nWhich condition in Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity must be healthy before evidence is trustworthy?\nWhat result would disprove the working assumption and return the issue to the owner?\n\nDSE recommendation:\nDSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles, observed and expected states, owner, and reason for deviation.\nAn implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before and after the test, and store only sanitized operational evidence.\nVerification and evidence\nA reviewer should be able to retrace the decision from Opening overview; Opening overview through directory and policy exports, replication and locator tests, event logs, trust state, role ownership, and controlled authentication tests. Record what was collected, where, when, by whom, and which system or role it represents.\nRetain the starting state, authorization, execution record, outcome, deviation, and final state as one review package. Move disruptive checks to an approved test path. Reopen the decision when versions, design, dependencies, ownership, or official guidance changes.\nOfficial references\n\nHow to configure SPN for Windows Server — Microsoft",
        "content_markdown": "Treat this document as a focused evidence review: Update SPNs after service identity or hostname changes. Only the official source and traced locations below supply facts. Confirm applicability before acting.\n\n## Source fact:\n\nThe official [How to configure SPN for Windows Server](https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/how-to-configure-spn) from Microsoft supports the following bounded statements:\n\n- Setspn reads, modifies, and deletes the SPN directory property for AD service accounts. The research record locates this support at Opening overview.\n\n- SPNs are normally created automatically but can require updates after computer renames or application-specific service changes. The research record locates this support at Opening overview.\n\nKeep the evidence boundary at these traced claims. They support a review of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles; they do not support conclusions outside the source’s stated conditions.\n\n## What the source does not establish\n\nCheck for duplicates and Kerberos dependencies before adding, deleting, or reassigning an SPN. The citation is not a substitute for observed state, authorization, compliance evidence, or dependency health. Examine Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before translating the source into an operational decision.\n\n## Applicability questions\n\n- For source statement 1 at Opening overview, which observable configuration, record, or test can confirm applicability here?\n\n- For source statement 2 at Opening overview, which observable configuration, record, or test can confirm applicability here?\n\n- What inventory proves which parts of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles are in and out of scope?\n\n- Which condition in Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity must be healthy before evidence is trustworthy?\n\n- What result would disprove the working assumption and return the issue to the owner?\n\n## DSE recommendation:\n\nDSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles, observed and expected states, owner, and reason for deviation.\n\nAn implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before and after the test, and store only sanitized operational evidence.\n\n## Verification and evidence\n\nA reviewer should be able to retrace the decision from Opening overview; Opening overview through directory and policy exports, replication and locator tests, event logs, trust state, role ownership, and controlled authentication tests. Record what was collected, where, when, by whom, and which system or role it represents.\n\nRetain the starting state, authorization, execution record, outcome, deviation, and final state as one review package. Move disruptive checks to an approved test path. Reopen the decision when versions, design, dependencies, ownership, or official guidance changes.\n\n## Official references\n\n- [How to configure SPN for Windows Server](https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/how-to-configure-spn) — Microsoft"
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                "articleBody": "Treat this document as a focused evidence review: Update SPNs after service identity or hostname changes. Only the official source and traced locations below supply facts. Confirm applicability before acting.\nSource fact:\nThe official How to configure SPN for Windows Server from Microsoft supports the following bounded statements:\n\nSetspn reads, modifies, and deletes the SPN directory property for AD service accounts. The research record locates this support at Opening overview.\nSPNs are normally created automatically but can require updates after computer renames or application-specific service changes. The research record locates this support at Opening overview.\n\nKeep the evidence boundary at these traced claims. They support a review of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles; they do not support conclusions outside the source’s stated conditions.\nWhat the source does not establish\nCheck for duplicates and Kerberos dependencies before adding, deleting, or reassigning an SPN. The citation is not a substitute for observed state, authorization, compliance evidence, or dependency health. Examine Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before translating the source into an operational decision.\nApplicability questions\n\nFor source statement 1 at Opening overview, which observable configuration, record, or test can confirm applicability here?\nFor source statement 2 at Opening overview, which observable configuration, record, or test can confirm applicability here?\nWhat inventory proves which parts of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles are in and out of scope?\nWhich condition in Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity must be healthy before evidence is trustworthy?\nWhat result would disprove the working assumption and return the issue to the owner?\n\nDSE recommendation:\nDSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of forests, domains, controllers, directory partitions, trusts, sites, replication links, service accounts, and delegated roles, observed and expected states, owner, and reason for deviation.\nAn implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS, time synchronization, network reachability, PKI, backups, virtualization safeguards, and privileged identity before and after the test, and store only sanitized operational evidence.\nVerification and evidence\nA reviewer should be able to retrace the decision from Opening overview; Opening overview through directory and policy exports, replication and locator tests, event logs, trust state, role ownership, and controlled authentication tests. Record what was collected, where, when, by whom, and which system or role it represents.\nRetain the starting state, authorization, execution record, outcome, deviation, and final state as one review package. Move disruptive checks to an approved test path. Reopen the decision when versions, design, dependencies, ownership, or official guidance changes.\nOfficial references\n\nHow to configure SPN for Windows Server — Microsoft",
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