{"id":143319,"date":"2023-07-21T08:39:42","date_gmt":"2023-07-21T08:39:42","guid":{"rendered":"https:\/\/www.stellarinfo.com\/blog\/?p=143319"},"modified":"2025-11-27T05:25:39","modified_gmt":"2025-11-27T05:25:39","slug":"fix-hcw8078-migration-endpoint-could-not-be-created-error","status":"publish","type":"post","link":"https:\/\/www.stellarinfo.com\/blog\/fix-hcw8078-migration-endpoint-could-not-be-created-error\/","title":{"rendered":"How to Fix Error \u201cHCW8078 Migration Endpoint could not be created\u201d in Exchange?"},"content":{"rendered":"

Hybrid migration is the smoothest migration method when it comes to migrating from on-premises Microsoft Exchange Server to Microsoft 365<\/a> (Exchange Online). For a hybrid setup to work, you need to install the Hybrid Configuration Wizard (HCW) – a tool provided by Microsoft to facilitate the hybrid setup. Sometimes, during the configuration of the application or after the completion of the wizard, an error pops up, saying “ HCW8078 Migration Endpoint could not be created.”<\/strong><\/p>

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\"HCW8078<\/figure>\n<\/div>

In this screen, at the bottom, there is logging information to check the application log.<\/p>

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\"View<\/figure>\n<\/div>

When you open the log, you might find an error message like this:<\/p>

Your Exchange Hybrid Configuration has completed but a few items need to addressed or potentially configured manually. Please see the details below.
Configure MRS Proxy Settings
HCW8078 Migration Endpoint could not be created.
Microsoft.Exchange.Migration.MigrationServerConnectionFailedException
The connection to the server 'mail.mycompany.lan could not be completed.
Microsoft.Exchange.MailboxReplicationService.MRSRemoteTransientException
The call to 'https:\/\/mail.mycompany.lan\/EWS\/mrsproxy.svc' failed. Error details: The HTTP request was forbidden with client authentication schema 'Negotiate'.--> The remote server returned an error: (403) Forbidden..
Microsoft.Exchange.MailboxReplicationService.MRSRemotePermanentException
The HTTP request was forbidden with client authentication schema 'Negotiate'.
Microsoft.Exchange.MailboxReplicationService.MRSRemotePermanentException
The remote server returned an error: (403) Forbidden.<\/code><\/p>

The above message indicates that there is an issue with the Microsoft Exchange Mailbox Replication Service (MRS)<\/strong> service. If this service is not functioning well, then you won’t be able to set up your hybrid setup for migration. So, let’s see how to fix this issue.<\/p>

Possible Solutions to Fix the HCW8078 Migration Endpoint could not be created Error<\/h2>

Here are some ways you can try to resolve the issue.<\/p>

1. Check if Mailbox Replication Service (MRS) is Running<\/strong><\/h3>

As the error message indicates towards the Microsoft Exchange Mailbox Replication Service (MRS)<\/strong> service, the first thing to do is check whether the service is running or not.<\/p>

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\"Check<\/figure>\n<\/div>

If it’s not running, try to start the service. If it is running, try to restart the service. If the service is stopped even after you restart it, then it might be an issue with the Exchange Server. In such a case, you can look into the event viewer to find where the problem is.<\/p>

2. Verify if the Exchange Web Services (EWS) Virtual Directories are Setup<\/strong><\/h3>

Now, you can confirm that the Exchange Web Services (EWS)<\/a> <\/strong>virtual directories are setup and the service is configured properly. For this,<\/p>