Enterprise IT infrastructure services

Keep servers, networks, permissions and data protection stable and manageable
Keep servers, networks, permissions and data protection stable and manageable

Support for Windows Server, Active Directory, firewalls, remote access, NAS permissions, backup, databases, VDI and legacy systems. On-site service is available in Zhejiang, Shanghai and Jiangsu; other regions are supported remotely.

Active DirectoryWindows Serverfirewalls and remote accessNAS permissionsBackup and recoveryVeeam Backup

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> Scenario: Active Directory

✓ Collect the environment, screenshots, network path, permissions and affected scope

✓ Review the system, network, security and data dependencies

! Confirm the scope, maintenance window and quotation before changes

> Deliver: handling record / configuration notes / maintenance recommendations

RemoteInitial assessment

On-siteComplex environment work

DocumentationMaintainable handover

Active Directory and endpoint management

Standardize accounts, Group Policy, shared drives and printers
Standardize accounts, Group Policy, shared drives and printers

Resolve domain-join failures, slow sign-in, GPO issues, drive mapping, printer deployment and account-lifecycle risks.

Active DirectoryDNS and DHCPGroup PolicyAccount permissionsSharing and printing

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> Scenario: Active Directory

✓ Collect the environment, screenshots, network path, permissions and affected scope

✓ Review the system, network, security and data dependencies

! Confirm the scope, maintenance window and quotation before changes

> Deliver: handling record / configuration notes / maintenance recommendations

RemoteInitial assessment

On-siteComplex environment work

DocumentationMaintainable handover

VDI and secure remote work

VMware Horizon, remote access, data boundaries and user permissions
VMware Horizon, remote access, data boundaries and user permissions

Troubleshoot slow sign-in, disconnects, printing, D-drive permissions, clipboard, USB and file-transfer controls.

VMware HorizonPVE and ESXiRemote workData boundariesD-drive permissions

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> Scenario: VMware Horizon

✓ Collect the environment, screenshots, network path, permissions and affected scope

✓ Review the system, network, security and data dependencies

! Confirm the scope, maintenance window and quotation before changes

> Deliver: handling record / configuration notes / maintenance recommendations

RemoteInitial assessment

On-siteComplex environment work

DocumentationMaintainable handover

Backup, NAS and legacy-system protection

Prove that protected systems can actually be recovered
Prove that protected systems can actually be recovered

Review Veeam, NAS snapshots, database backups, old servers, recovery drills and ransomware-resistant copies.

NAS and TrueNASSQL backupsLegacy-server migrationRecovery drillsRansomware resilience

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> Scenario: NAS and TrueNAS

✓ Collect the environment, screenshots, network path, permissions and affected scope

✓ Review the system, network, security and data dependencies

! Confirm the scope, maintenance window and quotation before changes

> Deliver: handling record / configuration notes / maintenance recommendations

RemoteInitial assessment

On-siteComplex environment work

DocumentationMaintainable handover

Multi-WAN, SD-WAN and branch connectivity

Route office, live-streaming and cross-region traffic by business need
Route office, live-streaming and cross-region traffic by business need

Plan line roles, policy routing, QoS, branch access, DNS and failover without mixing every workload on one path.

Multi-WAN traffic steeringSD-WANDedicated streaming linksBranch connectivityPolicy routing

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> Scenario: Multi-WAN traffic steering

✓ Collect the environment, screenshots, network path, permissions and affected scope

✓ Review the system, network, security and data dependencies

! Confirm the scope, maintenance window and quotation before changes

> Deliver: handling record / configuration notes / maintenance recommendations

RemoteInitial assessment

On-siteComplex environment work

DocumentationMaintainable handover

Search - oriented Services

Enterprise IT infrastructure services

Choose the service area that matches the affected systems. The final scope is confirmed after reviewing the current environment and business impact.

Active Directory and Group Policy Management

Plan, repair and standardize domain controllers, DNS, DHCP, Group Policy, user accounts, shared resources and endpoint policies for a manageable, auditable Windows environment.

Best for: offices, factories, VDI and branch environments

Domain join and sign-in issues
Group Policy baselines and troubleshooting
Shared drives, printers and account permissions

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VDI

VMware Horizon, VDI and Secure Remote Work

Troubleshoot sign-in, session stability, printing, user-data permissions, redirection controls and network paths across Horizon, ESXi and PVE environments.

Best for: VDI, remote work and virtualized platforms

Horizon architecture and authentication
Session stability and performance
User data, printing and transfer controls

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NET

Enterprise Firewall, VPN and Network Access Control

Design and troubleshoot firewall policies, remote access, VLAN segmentation, routing, NAT, DNS and cross-subnet connectivity without weakening the wider network.

Best for: remote work, server zones and access boundaries

VPN and remote-access failures
Ports, NAT and routing paths
VLAN and server-zone segmentation

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FILE

File Sharing, NTFS Permissions and Access Governance

Organize Windows file-server and NAS permissions by department and role, repair inheritance and credential issues, and make access changes traceable.

Best for: departmental shares and project data

Share and NTFS permission design
Joiner, mover and leaver access
Inheritance and credential troubleshooting

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Backup, Recovery and Business Continuity

Review protection for servers, NAS, databases and business systems, then validate that data and services can actually be restored within the required recovery window.

Best for: files, databases, virtual machines and legacy servers

Backup architecture and retention
Independent and ransomware-resistant copies
Recovery drills and evidence

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SQL

SQL Server, ERP and Legacy Systems

Troubleshoot database connectivity, capacity, backup and legacy compatibility, then plan controlled migration with validation and rollback.

Best for: ERP, finance, MES and legacy applications

ERP and database connectivity
SQL logs, capacity and backups
P2V, migration and rollback

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END

Endpoint Controls and Data Protection

Control USB, printing, local storage, shared folders and user permissions with practical policies, documented exceptions and audit records.

Best for: development, finance, design and controlled workstations

USB and printing controls
Role-based policy exceptions
File-transfer and data boundaries

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NAS

NAS, TrueNAS and Storage Architecture

Plan ZFS pools, datasets, permissions, snapshots, replication, capacity and recovery paths for reliable file and virtualization storage.

Best for: large files, media and virtualization storage

TrueNAS and ZFS planning
Hot, warm and archive data tiers
Virtualization storage integration

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WAN

Multi-WAN, SD-WAN and Traffic Steering

Assign office, live-streaming, overseas, server and backup traffic to suitable links with explicit routing, QoS, monitoring and failover rules.

Best for: e-commerce, live streaming, overseas access and multiple sites

Office and live-stream traffic separation
Policy routing and QoS
Link monitoring and failover validation

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Branch Connectivity, Domain Trust, DNS and DHCP

Build predictable cross-site access by aligning routing, firewall rules, DNS forwarding, domain trust, DHCP and resource permissions.

Best for: headquarters, branches, multiple domains and private links

Cross-domain trust
Shared-resource access between domains
DNS and DHCP coordination

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DOC

IT Project Plans and Delivery Documentation

Turn technical work into maintainable deliverables with a clear baseline, scope, change record, test evidence, rollback plan and operational handover.

Best for: network, AD, NAS, backup and VDI projects

Design and implementation plans
Change, test and rollback records
Acceptance and operational handover

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CHECK

Enterprise IT Assessment and Remediation Roadmap

Inventory the existing environment, identify operational and security risks, prioritize remediation and produce a practical roadmap rather than changing systems blindly.

Best for: IT handover, remediation planning and pre-launch reviews

Asset and topology baseline
Risk and dependency review
Prioritized remediation roadmap

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Common enterprise IT questions

Use the symptom or affected system to open the most relevant service page.

enterprise IT maintenanceActive Directory maintenanceremote access butshared drive permission handlingNASbackup and recovery planlegacy server migrationWAN traffic routing configuration

Technical Capability

Practical, evidence-based technical support

Enterprise IT incidents often span servers, networks, security policies, permissions, databases and backups. We identify the affected path, define the change boundary and leave maintainable records instead of applying isolated fixes.

Suitable issuesCross-system faults, permission disorder, remote-access failures, legacy-server migration, recovery validation, VDI and endpoint-policy problems.

No unsupported promisesWe review versions, business impact, backup and change risk before recommending remote work, on-site work or a controlled project.

Systems and identity

Windows Server, Active Directory, DNS, DHCP, Group Policy, accounts, sharing, printing and endpoint policy.

Networks and security boundaries

Firewalls, VPN, VLANs, branch connectivity, Multi-WAN, SD-WAN, ports, routing and remote-work paths.

Data and business continuity

NAS, file sharing, NTFS permissions, SQL Server, snapshots, independent backups, recovery drills and legacy protection.

Virtualization and delivery records

VMware Horizon, ESXi or PVE, VDI data boundaries, implementation guides, topology, policy and acceptance records.

Current-state reviewTopology, servers, accounts, permissions, policies and business access paths

Fault-path analysisCross-check systems, networks, security, data and endpoints

Implementation and validationApply controlled changes, verify results and document risk

Delivery recordsProvide handling notes, configuration descriptions and maintenance recommendations

Service Area

On-site service in Zhejiang, Shanghai and Jiangsu; remote support elsewhere

We support enterprise servers, networks, firewalls, remote access, Active Directory, NAS permissions, backup and recovery, VDI and legacy systems. On-site work can be arranged in Zhejiang, Shanghai and Jiangsu; other regions are supported remotely after assessment.

Zhejiang enterprise IT servicesShanghai enterprise IT supportJiangsu enterprise IT servicesServer and network maintenanceRemote enterprise IT support

Zhejiang enterprise IT services

On-site and remote support for Hangzhou, Ningbo, Wenzhou, Shaoxing, Jiaxing, Huzhou, Jinhua, Taizhou and Lishui, covering servers, networks, Active Directory, NAS, backup and VDI.

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Shanghai enterprise IT support

Support for Shanghai offices, branches, manufacturers, e-commerce and trading companies, including servers, networks, remote access, firewall policies, sharing permissions and recovery.

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Jiangsu enterprise IT services

Support for Suzhou, Nanjing, Wuxi, Changzhou, Nantong and Kunshan, including infrastructure maintenance, Active Directory, NAS permissions, backup and traffic steering.

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On-site work can be arranged in Zhejiang, Shanghai and Jiangsu when required. Other regions can be assessed and supported remotely.

Urgent Problems

Common urgent enterprise issues

Typical requests include login failures, inaccessible shared drives, remote-access problems, backup warnings, storage risks and legacy-system incidents.

remote

Remote access connects but internal applications do not open

Check DNS, routing, firewall policy, server gateways and return paths.

permission

Some users cannot access a share while others have excessive rights

Review share permissions, NTFS rights, security groups, NAS accounts and leaver access.

legacy system

A legacy ERP or SQL server cannot be safely shut down

Create a backup or image, assess dependencies, define migration tests and prepare rollback.

policy

Domain sign-in is slow or policy and printers do not apply

Check Active Directory, DNS, GPO results, print services, drivers and client events.

materials

USB, printing or VDI file transfer needs tighter control

Apply role-based policies and documented exceptions without blocking normal work.

traffic routing

Live streaming, office and cross-region traffic interfere with each other

Plan Multi-WAN, SD-WAN, QoS, policy routes and workload separation.

connectivity

Sites are connected but cross-domain authentication fails

Review trusts, conditional DNS forwarding, required ports, permissions and time synchronization.

storage

NAS capacity is growing but snapshots, backup and permissions are unclear

Organize datasets, shares, snapshots, independent backups and recovery paths.

project delivery

An IT project finished without topology, policy or acceptance records

Create topology, IP, VLAN, account, permission, port, backup and handover documents.

Process

Review the environment before defining scope and quotation

We confirm affected systems, change risk, backup status, maintenance windows and required deliverables before work begins.

Describe the issue

Provide exact symptoms, screenshots, occurrence time and affected business functions.

Review the environment

Confirm servers, networks, firewalls, accounts, permissions, databases and endpoints.

Agree the scope

Decide whether the work is remote assessment, on-site handling, targeted remediation or ongoing maintenance.

Record the result

Document changes, validation, risks, rollback and follow-up recommendations.

Cases

Representative service scenarios

The following anonymized scenarios illustrate common symptoms and investigation directions; actual handling depends on the customer environment.

AD / GPO