Hi all,

We are getting this event log error on the Exchange 2010 Sp1 Mailbox Server:

Log Name:      Microsoft-Windows-Hyper-V-High-Availability-Admin
Source:        Microsoft-Windows-Hyper-V-High-Availability
Date:          7/29/2013 12:10:39 PM
Event ID:      21123
Task Category: None
Level:         Error
Keywords:      
User:          SYSTEM
Computer:      Server029.Domain.something
Description:
Failed to set the migration networks at the VMMS: Class not registered (0x80040154).

Server is virtual but not on the Hyper-V it is on VmWare.

By the way we are getting errors from VMTools to:

Log Name:      Application
Source:        VMware Tools
Date:          7/30/2013 7:50:45 AM
Event ID:      1000
Task Category: None
Level:         Warning
Keywords:      Classic
User:          DOMAIN\User
Computer:      Server029.Domain.something
Description:
[ warning] [vmusr:vmtoolsd] Failed registration of app type 2 (Signals) from plugin unity.

And another one from FailoverClustering-Manager:

Log Name:      Microsoft-Windows-FailoverClustering-Manager/Admin
Source:        Microsoft-Windows-FailoverClustering-Manager
Date:          8/5/2013 7:23:25 PM
Event ID:      4694
Task Category: Failover Clusters Manager MMC Snapin
Level:         Warning
Keywords:      
User:          DOMAIN\User
Computer:      Server029.Domain.something
Description:
Hyper-V management tools were not found on the system.
Creation and management of Virtual Machines will be disabled in Failover Cluster Manager.
Install Hyper-V role admin tools for servers or RSAT tools for clients to enable those options.

How can we fix this errors ?

Hi

Pls check this article from Microsoft, which says such errors are safe to ignore. Also its not recommended to install hyper-v role on the servers running exchange. Click here for more details which describes your scenario.

Hope this helps.

Thanks