windows server

Common Problems 111621

Windows Server 2025 DHCP Failover Partner Communication Broken — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 June 2025 Affected versions: Windows Server 2025 📖 ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Common Problems 111033

Windows Server 2025 BSOD WHEA_UNCORRECTABLE_ERROR After Memory Installation — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 23 June 2025 Affected versions: Windows Server 2025 📖 ~3 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Windows Server 2025 — KB5060842 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5060842 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5060842 • MSRC update-guide entry Related CVEs: CVE-2025-49735 CVE-2025-29828 CVE-2025-33071 CVE-2025-33070 CVE-2025-32712 CVE-2025-32713 CVE-2025-32714 CVE-2025-32715  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows KDC Proxy Service […]

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How to Configure auditd Rules on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure auditd Rules on RHEL 10

Introduction This tutorial demonstrates how to Configure auditd Rules on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]

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How to Back Up PostgreSQL with pg_dump on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump on RHEL 10

Introduction Setting up back up postgresql with pg_dump on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Back Up PostgreSQL with pg_dump on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 111185

Windows Server 2025 — Hyper-V VM start fails with ‘The VM could not be started because hypervisor is not running’ — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 June 2025 Affected versions: Windows Server 2025 📖 ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Windows Server 2025 — KB5066872 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5066872 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5066872 • MSRC update-guide entry Related CVEs: CVE-2016-9535 CVE-2025-24990 CVE-2025-24052 CVE-2025-55335 CVE-2025-55700 CVE-2025-55701 CVE-2025-58717 CVE-2025-58732  +12 more Affected components: Windows Server 2025 Microsoft summary: tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions […]

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Windows Server 2016 — KB5041026 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5041026 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5041026 • MSRC update-guide entry Related CVEs: CVE-2024-38081 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Common Problems 111036

Windows Server 2025 DHCP Server Scope Exhaustion Causing Address Assignment Failures — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 June 2025 Affected versions: Windows Server 2025 📖 ~3 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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How to Configure Postfix Mail Server on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Postfix Mail Server on RHEL 10

Introduction This tutorial demonstrates how to Configure Postfix Mail Server on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories […]

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