HRESULT 0x80045344 (FSRM_E_UNSECURE_LINK_TO_HOSTED

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FSRM could not establish a trusted link to a hosted module.

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FSRM_E_FILE_OPEN_ERROR	FSRM_E_CACHE_INVALID

FSRM_E_UNSECURE_LINK_TO_HOSTED_MODULE

FSRM_E_UNSECURE_LINK_TO_HOSTED_MODULE means the service rejected or failed the protected connection used to communicate with an out-of-process classification or storage module. The module binary may exist, but the hosting configuration is not trusted or consistent.

Validate module hosting and identity

Verify the module COM registration, configured account, service permissions, and deployed binary version.
Confirm that the module returns a valid connector during OnLoad and is not launching through an unexpected host.
Review code-signing, hardening, and security-product events that may block the hosted process.

Changing the rule or file contents will not repair a failed module link. Avoid moving the module in-process merely to bypass the check; in-process extensions run inside the FSRM service and increase failure impact. Correct the registered module definition and host identity, restart only the affected service components, and retest module initialization before a full classification scan.

Pipeline OnLoad · Module account · MS-FSRM overview

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