The knowledge base covers common enterprise issues involving Active Directory, Windows Server, networking, virtualisation, databases, backup and storage, with practical guidance for production environments.
Topics include identity and access, connectivity, server platforms, virtual desktops, data protection and legacy-system operations, allowing teams to locate guidance by incident scenario.
Practical articles based on real enterprise incidents, covering Active Directory, Windows Server, file permissions, VPN, firewall, virtualisation, Veeam, NAS, SQL Server and legacy systems.
SQL Server 2016 reached the end of extended support on 14 July 2026. Assess security, application compatibility, downtime and rollback before choosing an upgrade schedule.
Read the full article →Windows Server 2016 reaches the end of extended support on 12 January 2027. Inventory roles, applications, hardware, licensing, backups and downtime well in advance.
Read the full article →Windows 10 support ended on 14 October 2025. Validate hardware, business applications, drivers, Group Policy, VPN clients and peripherals before broad Windows 11 deployment.
Read the full article →Windows 11 24H2 requires SMB signing by default. Older NAS appliances, Samba releases and incomplete implementations can fail authentication or negotiation.
Read the full article →vSphere 7 reached end of general support on 2 October 2025. Evaluate hardware compatibility, licensing, backup, networking, storage and team capability before deciding.
Read the full article →Prefer a new Windows Server 2025 domain controller, replication validation, FSMO transfer and controlled demotion of the old DC rather than defaulting to in-place upgrade.
Read the full article →Assess instance-level objects, compatibility levels, drivers, business regression, data synchronisation, cutover windows and rollback triggers separately.
Read the full article →A tightly isolated network can resolve approved vendor namespaces through conditional forwarders while restricting outbound DNS, logging change and validating failover.
Read the full article →SERVFAIL means the resolver could not complete the query. Check authoritative data, forwarders, TCP/UDP 53, DNSSEC, timeouts and cache in sequence.
Read the full article →AD-integrated zones can replicate, but conditional forwarders, server forwarders, root hints, cache and firewall paths still require separate verification.
Read the full article →Windows LAPS generates, stores and rotates a unique local administrator password for each domain device, with authorised retrieval and auditing.
Read the full article →The Active Directory Recycle Bin can restore objects deleted after it was enabled, retaining most attributes. Enable it in advance and test recovery.
Read the full article →Missing SYSVOL and NETLOGON commonly indicates incomplete DFSR initial sync, replication failure, database trouble or an incorrect recovery action.
Read the full article →When SQL Server stops during start-up, read ERRORLOG and Windows events first, then check the service account, start-up parameters, system databases, storage and patching.
Read the full article →Recovery Pending and Suspect mean recovery could not complete. Protect files and logs, investigate I/O, space, permissions and error codes, then choose restore or repair.
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