Microsoft .NET Framework 3.5 SP1
Microsoft .NET Framework 3.5 SP1
Third-party maintenance for the Microsoft .NET Framework 3.5 SP1 costs 40-70% less than the OEM support contract, with 24/7 engineering support and same-day replacement parts.
Specifications
- product
- dotnetfx
- release
- 3.5-sp1
- product Label
- Microsoft .NET Framework
- release Label
- 3.5 SP1
- codename
- lts
- latest Version
- release Date
- 2007-11-19
- maintained
- true
- source Url
- https://endoflife.date/dotnetfx
Lifecycle Dates
- End of Service Life
- Jan 9, 2029
- Last OEM Support
- Jan 9, 2029
OEM vs. 3rd Party Support
See how 3rd party maintenance compares to traditional OEM support for your Microsoft .NET Framework 3.5 SP1. Get the same level of service at a fraction of the cost.
| Feature | OEM Support | 3rd Party Support |
|---|---|---|
| Post-EOSL Support | ||
| 24/7/365 Support | ||
| Same-Day Parts Replacement | Limited | |
| Mixed-Vendor Support | ||
| Flexible Contract Terms | Annual Only | Month-to-Month Available |
| Asset Lifecycle Extension | ||
| OEM-Trained Engineers |
Why Choose 3rd Party Support for Microsoft .NET Framework 3.5 SP1?
Save 40-70%
Dramatically reduce your maintenance costs while maintaining the same level of support coverage.
Extend Asset Life
Continue using your Microsoft .NET Framework 3.5 SP1 well beyond the OEM end-of-life date.
24/7 Expert Support
OEM-trained engineers available around the clock with same-day parts replacement.
Microsoft .NET Framework 3.5 SP1 Support: Frequently Asked Questions
Is the Microsoft .NET Framework 3.5 SP1 still supported?
Yes. The Microsoft .NET Framework 3.5 SP1 is currently supported, and third-party maintenance is available as an alternative to the OEM contract at 40-70% lower cost.
When is the Microsoft .NET Framework 3.5 SP1 end of service life (EOSL) date?
Microsoft lists the end of service life for the Microsoft .NET Framework 3.5 SP1 as Jan 9, 2029.
Can I keep using the Microsoft .NET Framework 3.5 SP1 after its EOSL date?
Yes. EOSL means Microsoft stops selling support contracts and issuing updates — the equipment itself keeps working. Third-party maintenance provides engineering support and replacement parts for as long as you choose to run it.
How much does third-party support for the Microsoft .NET Framework 3.5 SP1 cost?
Typically 40-70% below the OEM maintenance renewal price. Exact pricing depends on quantity, service level and location — request a quote and we respond within 24 hours.