Understanding and Fixing KOFMSP.dll Errors in Kerio Outlook Connector
The KOFMSP.DLL file might be missing from its expected folder, or registry entries related to the Kerio MAPI service might be incorrect. This can occur after uninstalling other software, restoring a system backup, or performing an in-place Windows upgrade.
Reinstalling is the most effective way to restore the KOFMSP.dll file and ensure it is registered correctly.
For 64-bit systems with 32-bit Kofax, use:
. For many, this feels like a sudden lockout from their digital life, often occurring right after a Windows update or a botched software installation. The Secret Identity kofmsp.dll
Common dependencies include:
Cannot open the Outlook window. The set of folders cannot be opened. MAPI was unable to load the information service C:\Program Files (x86)\Kerio\Outlook Connector (Offline Edition)\KOFMSP.DLL.
sfc /scannow
The most common reason is that the Kerio Outlook Connector (Offline Edition) is either not installed correctly, was installed improperly, or its core files, including KOFMSP.DLL , have become corrupted. Understanding and Fixing KOFMSP
In some cases, security software can mistakenly quarantine or block KOFMSP.DLL , either because it's an unrecognized third-party file or due to an overly aggressive heuristic scan. This can prevent Outlook from loading it.
To stay safe, it's essential to:
Major Windows updates (especially those affecting the .NET Framework or core system libraries) can sometimes "un-register" the DLL or change permissions in the folder where it lives.
The error often appears immediately after a Windows or Office update that conflicts with existing Kerio drivers. Corrupted Installation: For 64-bit systems with 32-bit Kofax, use:
(Note: Change 16.0 to match your active version of Office if you are deployed on older versions) . Reinstalling Kerio Outlook Connector - KerioConnect - GFI
This comprehensive guide explains what KOFMSP.DLL is, outlines common errors, provides step-by-step solutions, and covers important safety considerations.
Reset the user's profile or recreate the user account via the Kerio Connect Administration console. Summary Checklist Restores KOFMSP.dll and fixes corrupt installation. Use Microsoft SARA Tool Fixes registration errors (Error 1904). Run sfc /scannow Repairs corrupted system files. Reset User Profile Fixes sync issues (KoffRtfWrapper).