BugZero | Veeam BugID kb4096 - VeeamCDP I/O Filter Installation Fails With “The a...

Veeam - Defect ID: kb4096

VeeamCDP I/O Filter Installation Fails With “The agent’s workflow is blocked” Error

Veeam - Defect ID: kb4096

VeeamCDP I/O Filter Installation Fails With “The agent’s workflow is blocked” Error

Last updated on February 9th, 2026

BugZero Risk Score
9.8 High

Overall: 9.8

Severity: 10.0

Community: 8.7

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Bug Details

Priority: Issue
Status: Solved
Views: 98

Description

Challenge

When attempting to install the VeeamCDP I/O filter on a cluster that will be used for continuous data protection (CDP), the installation fails with the following error: The agent's workflow is blocked until its required solutions are re-mediated externally in vSphere Lifecycle Manager.

Cause

vSphere LifeCycle Management installed on the cluster requires the remediation of updates for hosts in the cluster.

Solution

To install the VeeamCDP I/O filter on a cluster, do the following: In the VMware vSphere client, navigate to updates of a cluster for which you want to install the filter. For the hosts on the cluster, click Remediate All.

Change history

2026-02-09 Added: 12.3, 12, 13, 12.3.2, 12.3.1, 12.1, 12.2

2026-02-09 Added: 12.2, 13, 12, 12.3.1, 12.1, 12.3, 12.3.2

2026-02-09 Added: 12.3, 12, 12.3.1, 12.1, 12.3.2, 12.2, 13

2026-02-09 Added: 12.2, 12.3.1, 12.1, 12.3.2, 12.3, 12, 13

2026-02-09 Added: 12, 12.3.2, 12.2, 12.3, 12.1, 12.3.1, 13

2026-02-09 Added: 12.3.2, 12.2, 12.1, 13, 12.3, 12.3.1, 12

2026-02-09 Added: 13, 12.3.1, 12, 12.1, 12.3, 12.2, 12.3.2

2026-02-09 Added: 13, 12, 12.1, 12.3.2, 12.3, 12.2, 12.3.1

2026-02-09 Added: 12.3, 12.3.1, 12, 12.1, 12.3.2, 12.2, 13

2026-02-09 Added: 12.3, 12.3.1, 12, 12.1, 13, 12.2, 12.3.2

2026-02-09 Added: 12.3, 12, 13, 12.3.1, 12.1, 12.3.2, 12.2

2026-02-09 Added: 12.1, 12, 12.2, 13, 12.3.1, 12.3.2, 12.3

2026-02-09 Added: 12.2, 12.1, 12.3.1, 13, 12.3.2, 12, 12.3

2026-02-09 Added: 12.3.1, 12, 12.3, 12.1, 13, 12.2, 12.3.2

2026-02-09 Added: 12, 12.3.1, 12.3.2, 12.1, 13, 12.3, 12.2

2026-02-09 Added: 12, 13, 12.3.2, 12.1, 12.3.1, 12.2, 12.3

2026-02-09 Added: 12.3.2, 12.1, 12, 13, 12.3, 12.2, 12.3.1

2026-02-09 Added: 12.1, 12.3, 13, 12.2, 12, 12.3.1, 12.3.2

2026-02-09 Added: 12.1, 12.3.2, 12.3, 12, 13, 12.2, 12.3.1

2026-02-09 Added: 12.1, 12, 13, 12.3.2, 12.2, 12.3.1, 12.3

2026-02-09 Added: 12.1, 12.3, 12, 13, 12.3.2, 12.2, 12.3.1

2026-02-09 Added: 12, 12.2, 12.3.2, 12.3.1, 13, 12.1, 12.3

2026-02-09 Added: 13, 12, 12.3.1, 12.2, 12.3.2, 12.3, 12.1

2026-02-09 Added: 12.3, 12.3.1, 12.1, 12, 12.3.2, 13, 12.2

2026-02-09 Added: 12.3.2, 12.3, 13, 12.1, 12, 12.3.1, 12.2

2026-02-09 Added: 12.2, 12.3.1, 12.3, 12.3.2, 12.1, 12, 13

2026-02-09 Added: 12.3.1, 12.2, 12.3.2, 12, 12.1, 13, 12.3

2026-02-09 Added: 13, 12.3.2, 12.3.1, 12.3, 12.2, 12.1, 12

2026-02-09 Added: 12.3.2, 12.1, 12.3.1, 13, 12.3, 12.2, 12

2026-02-09 Added: 12.3.1, 12, 12.3, 12.1, 12.3.2, 12.2, 13

2026-02-09 Added: 12, 12.3.2, 12.2, 12.3, 13, 12.3.1, 12.1

2026-02-09 Added: 12.1, 12.3.2, 12, 12.3.1, 13, 12.3, 12.2

2026-02-09 Added: 12.3, 12.3.1, 12.3.2, 12.1, 13, 12.2, 12

2026-02-09 Added: 12.3, 12, 12.1, 12.3.2, 12.3.1, 13, 12.2

2026-02-09 Added: 13, 12.2, 12.3.1, 12, 12.3.2, 12.3, 12.1

2026-02-09 Added: 13, 12, 12.2, 12.3.1, 12.3, 12.3.2, 12.1

2026-02-09 Added: 12.2, 12.1, 12.3.1, 12.3, 12.3.2, 13, 12

2026-02-09 Added: 12.3.2, 13, 12.3.1, 12.3, 12.1, 12, 12.2

2026-02-09 Added: 12, 12.3.2, 12.3, 13, 12.1, 12.2, 12.3.1

2026-02-09 Added: 13, 12.3, 12.1, 12.3.2, 12.3.1, 12, 12.2

2026-02-09 Added: 13, 12, 12.3.1, 12.3, 12.2, 12.1, 12.3.2

2026-02-09 Added: 12.3, 12.1, 12.3.2, 13, 12.3.1, 12, 12.2

2026-02-09 Added: 12.3, 12.2, 13, 12.1, 12.3.2, 12, 12.3.1

2026-02-09 Added: 12.2, 12.3.2, 12.3, 12, 12.3.1, 13, 12.1

2026-02-09 Added: 12.3.2, 13, 12.1, 12, 12.2, 12.3.1, 12.3

2026-02-09 Added: 12.3, 12.2, 12.3.1, 12, 12.3.2, 13, 12.1

2026-02-09 Added: 12, 12.3.1, 12.1, 13, 12.2, 12.3, 12.3.2

2026-02-09 Added: 13, 12.2, 12.3.2, 12.3.1, 12.1, 12.3, 12

2026-02-09 Added: 12.3, 13, 12.3.2, 12, 12.1, 12.3.1, 12.2

2026-02-09 Added: 12.3.1, 12.3, 12.2, 12.3.2, 13, 12, 12.1

2026-02-09 Added: 12.3, 12.3.1, 12.2, 12.1, 12.3.2, 12, 13

2026-02-09 Added: 12.3, 12, 12.1, 12.2, 12.3.2, 12.3.1, 13

2026-02-09 Added: 12, 12.2, 12.3.1, 12.3, 12.3.2, 13, 12.1

2023-11-27 Added: 11

Relevant Products

Click on a version to see all relevant bugs

Affected versions:11, 12.2, 12.1, 12.3.1, 13, 12.3.2, 12, 12.3

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Affected versions:11, 12.2, 12.1, 12.3.1, 13, 12.3.2, 12, 12.3

Fixed versions: No known fixed versions

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Veeam - Defect ID: kb4096

VeeamCDP I/O Filter Installation Fails With “The agent’s workflow is blocked” Error

Veeam - Defect ID: kb4096

VeeamCDP I/O Filter Installation Fails With “The agent’s workflow is blocked” Error

Last updated on February 9th, 2026

BugZero Risk Score9.8 High

Bug Details

Challenge

Cause

Solution

Top Veeam Defects

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BugZero Risk Score
9.8 High