Hi ComputerHabit,
Based on your provided error message "No credentials are available in the security" as well as the important hint of recent change of upgrading to forest level to 2016, This error message typically occurs when attempting to move an Active Directory object using the Move-ADObject PowerShell command. The followings are some potential causes for the issue.
- Insufficient Permissions – The account executing the command may not have the necessary permissions. Moving objects between domains often requires Enterprise Admins privileges.
- Service Account Restrictions – If the service account being used is marked as sensitive and cannot be delegated, it may prevent the operation.
- DNS Configuration Issues – In some cases, improper DNS search order or missing Fully Qualified Domain Names (FQDNs) can cause authentication failures.
- Forest Level Changes – If the Active Directory forest level was recently upgraded, it might introduce unexpected behavior affecting object movement.
- Authentication Token Expiry – when logging out and logging back temporarily resolves the issue, suggesting an intermittent authentication problem.
- Open event viewer and check the security log for event ID 4625 for any potential of failed logon attempts.
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You can refer to the following articles which might purportedly address the issue mentioned in the above 4th potential cause.