DHCP migration between different server languages

Sometime happen (hopefully) that you have to dismiss old and not supported Operating System (aka Windows 2003) and during the process you need to move the DHCP server.

If both server have the same language, you will not face any problem but, if source and target server are in different languages (sometime, for no good reasons, IT technicians install the OS in their own language instead of English), the import process will fail to match the correspondent DHCP class.

The error raise is: Error while importing class “Default BOOTP Class”. This class conflicts with the existing class “Default BOOTP Class”.

Here the manual workaround to solve this.

Read More

Exchange Server Object ID Error

I had an error with Exchange Control Panel and Windows 2016 Domain Controller: The access control entry defines the ObjectType ‘9b026da6-0d3c-465c-8bee-5199d7165cba’ that can’t be resolved.

Exchange Error

The error will be raised as you open the ECP and view the Mailbox Delegation tab of any user account. Moreover this error doesn’t appear if you have an hybrid deployment with Office 365. Read More