libibumad.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: File: libibumad.dll - Essential DLL component for IBM iSeries database connectivity. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
Creation date	09.05.2012 15:02:52
File version	3.1.10307.0
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	12.5 kb.	12800 bytes.

Hashes:

MD5: 29091335dfb042e6cdb601bf9c544efc ✅
SHA-1: 4a5e47a5d114d2fdf07e6f57cb569318b83de97e
SHA-256: 9baab7ca8991bd7e0af8d7688e40ad38840aa15b528b2f47d93964cabc3a09c1
SHA-512: f8602ab74722b2b062a942deeca8300e9a2f5cf8b310cea8948e9be1a4760fa2ab54655e9943cb1e90019ce26b2e4c1c9210232d8e03ef76dfefcc6c15a3fd15

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

libibumad.dll File Guide & Error Fixes

What is libibumad.dll?

InfiniBand User MAD Library: This file is a dynamic link library.
Management Datagrams (MAD): It handles low-level InfiniBand network management fabrics.
High-Performance Computing: It is typically used in cluster computing and enterprise servers.
Driver Component: It installs alongside Mellanox/NVIDIA OpenFabrics Enterprise Distribution (OFED) drivers.

Standard File Location

64-bit Systems: C:\Windows\System32\ (for the 64-bit version of the DLL).
32-bit Compatibility: C:\Windows\SysWOW64\ (for the 32-bit version of the DLL).
Application Folder: It can also live inside specific network software directories.

How to Fix libibumad.dll Errors Without Downloading

Do not download DLL files from third-party websites. They often contain malware or outdated code. Use these safe, built-in methods instead.

1. Reinstall the Network Drivers

Open Device Manager via the Windows Start menu.
Expand the Network adapters or System devices section.
Locate your Mellanox or InfiniBand host channel adapter (HCA).
Right-click the device and select Uninstall device.
Restart your computer to let Windows automatically reinstall the driver.

2. Update Mellanox/NVIDIA WinOF / WinOF-2 Software

Open your existing network management console.
Run the built-in update tool to refresh the library.
Alternatively, run the original installer file (.exe or .msi) already saved on your drive.
Select the Repair option during the setup wizard.

3. Run Windows System File Checker (SFC)

Type cmd in the Windows search bar.
Right-click Command Prompt and select Run as administrator.
Type sfc /scannow and press Enter.
Wait for the system scan to replace missing network files.

4. Restore the File From the Recycle Bin

Open the Recycle Bin icon on your desktop.
Search for libibumad.dll in the top-right search box.
Right-click the file if found and choose Restore.

📊 Diagnostics Tool: Verify Your `libibumad.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
msvcrt.dll
├── KERNEL32.dll
├── WS2 32.dll
├── winmad.dll
├── libibverbs.dll
└── libibumad.dll

Similar files:
️libibumad32.dll