This error message shows when there is an issue with Domain or Sub-domain configured in Prolaborate or with AD credentials on the server-side.
1. For Domain or Sub-domain configured in Prolaborate, please follow below instructions to resolve the issue.
- Please check with your AD team if there were any changes made on the AD side
- Please ensure the proper domain or sub-domain is configured in AD settings in Prolaborate.
Here are some steps to find the Domain:
- Open or log in to AD server
- Right-click My Computer/This PC and select Properties
- Copy Domain name (refer below the screenshot)

- Paste to AD domain filed Active directory page in Prolaborate
- Click on Test & Save and try to log in. Note: Global domain names should not be used.
2. For AD credentials on server-side, please follow below instructions to resolve the issue
- Reset the password of the user TWICE that is used to configure AD settings in Prolaborate. If we reset the password just once, the password is not getting reset properly
- Wait for an hour
- Logout and login into the Prolaborate
- Go to Active directory settings - click on the Edit button and re-enter the latest credentials (AD server’s credentials) and click the Test and Save option and check whether the configurations are saved properly.
- Logout from Prolaborate user
- Try to login using AD user which is already added into Prolaborate