
Complete Network & Domain Server Restructuring
Sentab International struggled with frequent network outages and domain server failures affecting their import-export operations. Colombo Net Solutions delivered a complete network redesign and server rebuild with comprehensive documentation.
Project Impact
At a Glance
- Client
- Sentab International
- Timeline
- 3 weeks (2025-08-15)
- Services
- IT SupportServer ManagementWired NetworkingNetwork Security
1The Challenge
Frequent network crashes during peak business hours, unreliable domain controller causing authentication failures, undocumented infrastructure making troubleshooting impossible, 40% productivity loss due to IT issues.
2Our Solution
Full network assessment identified faulty switches and misconfigured VLANs. Replaced aging Cisco switches with managed Ruijie layer-3 switches. Migrated domain controller to Windows Server 2022 with proper AD structure. Implemented VLAN segmentation for departments. Created comprehensive network documentation with diagrams, IP schemas, and maintenance procedures. Staff training on new infrastructure.

3The Key Results
- 100% network uptime maintained for 6+ months
- Domain authentication issues eliminated completely
- 40% improvement in network performance
- Reduced IT support calls by 85%
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