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Knowledge Base · Page 5

Practical enterprise IT articles built around real failure symptoms and safe troubleshooting order.

The knowledge base covers common enterprise issues involving Active Directory, Windows Server, networking, virtualisation, databases, backup and storage, with practical guidance for production environments.

Active Directory / GPOFile permissionsNetwork / VPNVDIBackup / NASServers / legacy systems
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Common troubleshooting topics

  • gpupdate succeeds but the GPO is absent
  • Repeated domain-account lockouts
  • Shares fail by hostname
  • Slow internet after VPN connection
  • The port is open but the application fails

Topics include identity and access, connectivity, server platforms, virtual desktops, data protection and legacy-system operations, allowing teams to locate guidance by incident scenario.

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Articles

Enterprise IT technical articles: networks, servers, AD, VMware, backup and operations · 6

Practical infrastructure topics for managed IT: networks, Windows Server, AD/GPO, VMware, VPN/SD-WAN, firewalls, Veeam, NAS permissions, factory network upgrades and legacy migrations.

Windows Server and file permissionsTechnical article

Should enterprise NAS permissions be assigned by employee, department, role, or security group?

Use department, role, and project security groups, separate read-only and read-write access, and combine them with auditing, offboarding, snapshots, and an access matrix.

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Network, VPN and firewallTechnical article

How to separate office, live-streaming, and international traffic across multiple WAN links without automatic failover

Build deterministic routing by source, business destination, and egress policy, disable unwanted load balancing or failover, and validate NAT and return paths.

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Network, VPN and firewallTechnical article

SD-WAN vs a conventional VPN: what is the difference and which one fits the business requirement?

A VPN primarily provides encrypted connectivity; SD-WAN adds multi-link control, application awareness, link-quality decisions, central management, and path policy.

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Active Directory and Group PolicyTechnical article

How to establish trust between two Active Directory forests and provide cross-domain file access

Cross-domain file access requires routed connectivity, conditional DNS forwarding, time synchronisation, validated trust, cross-domain groups, share permissions, and NTFS ACLs.

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Implementation and project handoverTechnical article

Why enterprise IT projects require configuration backups, acceptance evidence, and complete handover documentation

Without handover documentation, operations, troubleshooting, staff changes, and rollback depend on individual memory. Create a verifiable and maintainable configuration baseline.

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