Dhcp

Common Problems 112962

Windows Server 2016 — DHCP scope exhaustion caused by stale reservations and delayed lease reclamation — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 December 2019 Affected versions: Windows Server 2016 📖 ~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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How to Configure DHCP Server on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure DHCP Server on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure dhcp server on ibm aix 7.2 on IBM […]

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How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2

How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 Network Access Protection (NAP) is a policy enforcement platform included in Windows Server 2012 R2 that evaluates the health state of client computers before granting them full network access. NAP can check whether clients have current OS patches, antivirus definitions, Windows Firewall […]

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How to Set Up a PXE Boot Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a PXE Boot Server on RHEL 7

How to Set Up a PXE Boot Server on RHEL 7 Provisioning bare-metal servers or virtual machines one by one from USB media does not scale. A PXE (Preboot Execution Environment) boot server lets a machine boot directly from the network, pull a kernel and RAM disk from a TFTP server, and optionally complete an […]

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Common Problems 118455

Network Interface Not Managed by NetworkManager

🟡 Medium   ⏱ 5–30 min  Last verified: 30 November 2019 📖 ~1 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 & Cross-Refs References & Further […]

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How to Use WMI on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Use WMI on Windows Server 2012 R2

How to Use WMI on Windows Server 2012 R2 Windows Management Instrumentation (WMI) is Microsoft’s implementation of the Web-Based Enterprise Management (WBEM) standard and the central repository of management information on Windows systems. WMI exposes virtually every aspect of a Windows Server 2012 R2 system — hardware inventory, operating system properties, installed software, running processes, […]

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How to Set a Hostname and FQDN on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set a Hostname and FQDN on RHEL 8

Setting a proper hostname and Fully Qualified Domain Name (FQDN) is one of the first configuration tasks on any new RHEL 8 server. A correct hostname ensures that system logs, email delivery, and network services identify your machine accurately. On RHEL 8, hostnamectl from systemd provides a clean, persistent way to manage hostname settings without […]

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Common Problems 113575

Windows Server 2012 R2 — NLB multicast mode conflicts with upstream switch ARP handling and causes packet loss — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 November 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Configure Network Load Balancing on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Network Load Balancing on Windows Server 2016

How to Configure Windows Server 2016 Network Load Balancing Network Load Balancing (NLB) in Windows Server 2016 distributes incoming network traffic across multiple servers in a cluster, improving availability and scalability for TCP/IP-based services such as web servers, Terminal Services, and VPNs. Unlike Failover Clustering which targets stateful applications, NLB is ideal for stateless services […]

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How to Configure Initial Settings on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Initial Settings on Windows Server 2016

How to Configure Windows Server 2016 Initial Settings After installing Windows Server 2016, a series of initial configuration tasks should be completed before placing the server into production. These tasks include setting the hostname, configuring the time zone, assigning a static IP address, enabling Remote Desktop, configuring Windows Update, and joining an Active Directory domain […]

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