Invalid Service Account error message during the MID server setup using the MSI installerDescription The validation of domain service account fails when trying to install a new MID Server. The following error message is displayed after providing the information in the "Configure MID Server Service Settings" window: Invalid Service Account The root cause of this issue is that the windows API(ValidateCredentials) for validating the credentials of domain service account is throwing an exception. Exception during service account validation. Exception: System.DirectoryServices.Protocols.DirectoryOperationException: The server cannot handle directory requests. The issue could be caused by some Active Directory configurations on the customer environment. Steps to Reproduce 1. Download the MSI installer.2. Run the installer.3. Give the requested details on the screen.4. On Configure MID Server Service Settings window, provide the inputs and click on Validate settings button. Though the credentials are correct, the Invalid Service Account error pops up.WorkaroundThis problem is currently under review. You can contact ServiceNow Technical Support or subscribe to this Known Error article by clicking the Subscribe button at the top right of this article to be notified when more information becomes available. Below the possible workaround: 1. Download the MSI installer. 2. Install the MID server using Local Service account. 3. Go to Services 3.1 Select the MID service 3.2 Right Click and Open Properties 3.3 Change the Log On User as Domain User 3.4 Restart the service If this workaround does not fix the issue, install the MID manually: https://docs.servicenow.com/bundle/sandiego-servicenow-platform/page/product/mid-server/concept/mid-server-install-prereqs.htmlRelated Problem: PRB1552837