HRESULT 0x80045316 (FSRM_E_UNEXPECTED): meaning and diagnosis

Status / error code:

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Constant name:

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Description:

The File Server Resource Manager service reported an unexpected failure.

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FSRM_E_VOLUME_UNSUPPORTED	FSRM_E_INSECURE_PATH

FSRM_E_UNEXPECTED

FSRM_E_UNEXPECTED (0x80045316) The File Server Resource Manager service reported an unexpected failure. This HRESULT is a wrapper; the useful root cause is normally in the associated Application or System event.

What to check

Use the timestamp of the failure to locate the first related FSRM event.
Check the target volume, service state, permissions, and any recently changed FSRM configuration.
Collect the exact event details before restarting services or reapplying configuration.

Get-WinEvent -LogName Application -MaxEvents 100

Microsoft: FSRM troubleshooting guidance

Microsoft: FSRM overview

Microsoft: FileServerResourceManager PowerShell module

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