Title Products Classification Last Updated Version Size          Download
2025-06 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5060526) Microsoft Server operating system-21H2 Security Updates 6/10/2025 n/a 397.6 MB 416901170
2025-05 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5061906) Microsoft Server operating system-21H2 Updates 5/23/2025 n/a 393.6 MB 412751252
2025-05 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5058385) Microsoft Server operating system-21H2 Security Updates 5/13/2025 n/a 392.6 MB 411687224
2025-04 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5059092) Microsoft Server operating system-21H2 Updates 4/16/2025 n/a 393.2 MB 412313313
2025-04 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5058920) Microsoft Server operating system-21H2 Updates 4/11/2025 n/a 389.9 MB 408831853
2025-04 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5055526) Microsoft Server operating system-21H2 Security Updates 4/8/2025 n/a 389.0 MB 407863917
2025-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5055688) Microsoft Server operating system-21H2 Updates 4/8/2025 n/a 144.8 MB 151799359
2025-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5054693) Microsoft Server operating system-21H2 Updates 4/8/2025 n/a 72.3 MB 75847857
2025-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5055169) Microsoft Server operating system-21H2 Updates 4/8/2025 n/a 72.4 MB 75951502
2025-03 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5053603) Microsoft Server operating system-21H2 Security Updates 3/11/2025 n/a 387.2 MB 406040732
2025-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5051979) Microsoft Server operating system-21H2 Security Updates 2/11/2025 n/a 381.0 MB 399492858
2025-01 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5052819) Microsoft Server operating system-21H2 Updates 1/18/2025 n/a 379.9 MB 398383056
2025-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5049983) Microsoft Server operating system-21H2 Security Updates 1/14/2025 n/a 380.6 MB 399059088
2025-01 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5050187) Microsoft Server operating system-21H2 Security Updates 1/14/2025 n/a 144.3 MB 151272608
2025-01 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5049625) Microsoft Server operating system-21H2 Security Updates 1/14/2025 n/a 72.1 MB 75575643
2025-01 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5049617) Microsoft Server operating system-21H2 Security Updates 1/14/2025 n/a 72.2 MB 75696965
2024-12 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5048654) Microsoft Server operating system-21H2 Security Updates 12/10/2024 n/a 378.2 MB 396579886
2024-11 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5046616) Microsoft Server operating system-21H2 Security Updates 11/12/2024 n/a 376.7 MB 395026917
2024-11 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5046264) Microsoft Server operating system-21H2 Updates 11/12/2024 n/a 72.1 MB 75558833
2024-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5046265) Microsoft Server operating system-21H2 Updates 11/12/2024 n/a 72.2 MB 75696208
2024-11 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5046547) Microsoft Server operating system-21H2 Updates 11/12/2024 n/a 144.2 MB 151255041
2024-10 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5047767) Microsoft Server operating system-21H2 Updates 10/24/2024 n/a 380.0 MB 398456621
2024-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5044281) Microsoft Server operating system-21H2 Security Updates 10/8/2024 n/a 381.1 MB 399625360
2024-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5044035) Microsoft Server operating system-21H2 Security Updates 10/8/2024 n/a 72.0 MB 75517573
2024-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5044025) Microsoft Server operating system-21H2 Security Updates 10/8/2024 n/a 72.1 MB 75615969
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