1. The product is installed as 64bit
2. Windows Azure module for Powershell is installed on the machine where ADManager Plus is installed.
Please follow the below steps and then check for the issue.
Try the following steps to test connection from Windows Powershell
>Import-Module MSOnline
>Connect-MsolService [Enter the Office 365 credential given in ADManager Plus]
>Get-MsolDomain
4. Restart ADManager Plus service.
5. Please login to ADManager Plus --> Admin tab --> Office 365 --> Edit the configuration --> update the credentials --> Test Connection, If Test Connection is successful click on save and check for the issue.
Has anyone else seen this issue or have any ideas what we can do as the next steps?
Thanks,
Andy