"Failed to import signatures" - Veeam Intelligent Diagnostic Signatures Update Failure

KB ID:	4318
Product:	Veeam ONE \| 12 \| 12.1 \| 12.2
Published:	2022-07-08
Last Modified:	2025-03-27

Challenge

Attempting to update Veeam Intelligent Diagnostics signatures fails, and a pop-up appears with the message:

Failed to import signatures

Cause

This issue occurs due to recent certificate changes that affected the Veeam Intelligent Diagnostics signature update process.

Solution

Option 1: Upgrade to Latest Version of Veeam ONE

As this issue is related to expired certificates, updating to the latest version of Veeam ONE will resolve the issue.

Option 2: Install Hotfix for Older Veeam ONE Builds

If upgrading to the latest version of Veeam ONE is not viable, follow the instructions below for the build that is presently deployed.

You can check the build number in the Veeam ONE Client's Main Menu (≡) under Help > About.

12.0.0.2498

Note: Removal and deployment of the Veeam ONE Agents can be performed directly from the Veeam ONE Client.

Remove the Veeam ONE Agent from all Veeam Backup & Replication servers monitored by Veeam ONE.
Stop the following services:
- Veeam ONE Monitoring Service (VeeamDCS)
- Veeam ONE Agent (VeeamOneAgentSvc)
Extract the contents of the hotfix (download below).
Copy the files in the hotfix to specific locations:
- VeeamONE.Agent.x64.msi → C:\Program Files\Veeam\Veeam ONE\Veeam ONE Monitor Server\AgentPackage\
- Veeam.One.Agent.Deployment.Common.dll → C:\Program Files\Veeam\Veeam ONE\Veeam ONE Agent\
Start the Veeam ONE Agent (VeeamOneAgentSvc) service.
Start the Veeam ONE Monitoring Service (VeeamDCS) service.
Redeploy the Veeam ONE Agents on all associated Veeam Backup & Replication servers.

Download 12.0.0.2498 Hotfix

^{Filename: KB4318_12.0.0.2498_202503.zip}

MD5: D0FB2DD8C7E4D56DEA2D0BB222B60648
SHA1: 8FEAA59B4B8A52D1BEF1D79047DDEDF92FDC649C

12.0.1.2591

Note: Removal and deployment of the Veeam ONE Agents can be performed directly from the Veeam ONE Client.

Remove the Veeam ONE Agent from all Veeam Backup & Replication servers monitored by Veeam ONE.
Stop the following services:
- Veeam ONE Monitoring Service (VeeamDCS)
- Veeam ONE Agent (VeeamOneAgentSvc)
Extract the contents of the hotfix (download below).
Copy the files in the hotfix to specific locations:
- VeeamONE.Agent.x64.msi → C:\Program Files\Veeam\Veeam ONE\Veeam ONE Monitor Server\AgentPackage\
- Veeam.One.Agent.Deployment.Common.dll → C:\Program Files\Veeam\Veeam ONE\Veeam ONE Agent\
Start the Veeam ONE Agent (VeeamOneAgentSvc) service.
Start the Veeam ONE Monitoring Service (VeeamDCS) service.
Redeploy the Veeam ONE Agents on all associated Veeam Backup & Replication servers.

Download 12.0.1.2591 Hotfix

^{Filename: KB4318_12.0.1.2591_202503.zip}

MD5: 4ACECD798707F2069B0BE7DE8DD37EFC
SHA1: B5ACE47230B7C3A8D43F4D783B67A48626CD2AD8

12.1.0.3208

Note: Removal and deployment of the Veeam ONE Agents can be performed directly from the Veeam ONE Client.

Remove the Veeam ONE Agent from all Veeam Backup & Replication servers monitored by Veeam ONE.
Stop the following services:
- Veeam ONE Monitoring Service (VeeamDCS)
- Veeam ONE Agent (VeeamOneAgentSvc)
Extract the contents of the hotfix (download below).
Copy the files in the hotfix to specific locations:
- VeeamONE.Agent.x64.msi → C:\Program Files\Veeam\Veeam ONE\Veeam ONE Monitor Server\AgentPackage\
- Veeam.One.Agent.Deployment.Common.dll → C:\Program Files\Veeam\Veeam ONE\Veeam ONE Agent\
Start the Veeam ONE Agent (VeeamOneAgentSvc) service.
Start the Veeam ONE Monitoring Service (VeeamDCS) service.
Redeploy the Veeam ONE Agents on all associated Veeam Backup & Replication servers.

Download 12.1.0.3208 Hotfix

^{Filename: KB4318_12.1.0.3208_202503.zip}

MD5: 375F5760F0FD4D29DE6165B542595E59
SHA1: D7EFD0EC457A8A0CA4A9FC7637337CFB887F1136

12.2.0.4093

Note: Removal and deployment of the Veeam ONE Agents can be performed directly from the Veeam ONE Client.

Remove the Veeam ONE Agent from all Veeam Backup & Replication servers monitored by Veeam ONE.
Close the Veeam ONE Client.
Extract the contents of the hotfix (download below).
Execute the MSP files in the following order:
_{Note: The files have had numbers prepended to their file name to make it clear their install order.}
1. 1.VeeamONE.Agent.x64.msp
2. 2.VeeamOneMonitorSrv_x64_12.2.0.4914.msp
3. 3.VeeamOneMonitorCln_x64_12.2.0.4914.msp
4. 4.VeeamONE.Reporter.Server.x64_12.2.0.4914.msp
Redeploy the Veeam ONE Agents on all associated Veeam Backup & Replication servers.

Download 12.2.0.4093 Hotfix

^{Filename: KB4318_12.2.0.4093_202503.zip}

MD5: D7BBD13749D2C38D0C5661A17FCB4A61
SHA1: 1F834EAA88F7EE7FCFD9EAE1A0F3629E8792AB3A

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"Failed to import signatures" - Veeam Intelligent Diagnostic Signatures Update Failure

"Failed to import signatures" - Veeam Intelligent Diagnostic Signatures Update Failure

Challenge

Cause

Solution

Option 1: Upgrade to Latest Version of Veeam ONE

Option 2: Install Hotfix for Older Veeam ONE Builds

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