---
name: vmwaresolutions-trbl_zertovma_migration
title: Why does the Zerto migration from Windows ZVM to Linux ZVMA fail?
description: As of 17 July 2025, new automated installations of Red Hat® OpenShift® for VMware® are no longer available for new or existing deployments of VMware Cloud Foundation for Classic - Automated instances. You can still use or delete your existing Red Hat OpenShift for VMware automated installations until 16 July 2026. The service will no longer be available from 17 July 2026.
last-updated: 2025-10-24
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/vmwaresolutions?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# Why does the Zerto migration from Windows ZVM to Linux ZVMA fail?
{: #trbl_zerto_zvma_migration}
{: troubleshoot}
{: support}

As of 17 July 2025, new automated installations of Red Hat® OpenShift® for VMware® are no longer available for new or existing deployments of VMware Cloud Foundation for Classic - Automated instances. You can still use or delete your existing Red Hat OpenShift for VMware automated installations until 16 July 2026. The service will no longer be available from 17 July 2026.
{: deprecated}

The Zerto Migration Utility fails with the following error message.
{: tsSymptoms}

```text
For migration, the Windows ZVM machine must have a default gateway configured.
```
{: codeblock}

The default gateway is missing from the Microsoft Windows® VM (virtual machine).
{: tsCauses}

Assign the default gateway to the Windows VM.
{: tsResolve}

The Zerto Migration Utility fails with the following error message.
{: tsSymptoms}

```text
<date> <timestamp>,Error,ZvmlMigrationTool.Analytics.AnalyticsSender.SendToGoogleAnalytics,Failed to send analytics event to GA,Flurl.Http.FlurlHttpException: Call failed. A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. (www.google-analytics.com:443): POST https://www.google-analytics.com/mp/collect?api_secret=QK77SUfBTOyecZFB6x2kCg&measurement_id=G-CYQEFJ4DSP
---> System.Net.Http.HttpRequestException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. (www.google-analytics.com:443)
---> System.Net.Sockets.SocketException (10060): A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
```
{: codeblock}

The Windows VM is not connected to the internet.
{: tsCauses}

Connect your ZVM (Zerto Virtual Manager) to the internet by connecting it to your internet gateway or proxy.
{: tsResolve}

The Zerto Migration Utility fails with the following error message.
{: tsSymptoms}

```text
<timestamp>,Info,ZvmlMigrationTool.Accessors.SshConnection.Connect,Connecting to 10.87.26.130, username: zadmin,
<date> <timestamp>,Error,ZvmlMigrationTool.Accessors.SshConnection.EstablishConnection,Failed to connect to 10.87.26.130,System.Net.Sockets.SocketException (10060): A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
at Renci.SshNet.Abstractions.SocketAbstraction.ConnectCore(Socket socket, IPEndPoint remoteEndpoint, TimeSpan connectTimeout, Boolean ownsSocket)
```
{: codeblock}

The Windows VM is not on the same subnet as the Linux® ZVMA (Zerto Virtual Manager Appliance).
{: tsCauses}

Ensure that you configured your Windows and Linux ZVMs correctly by using the addresses that are provided to you by IBM Support.
{: tsResolve}