One **on-premise** installation for multiple domain AD Authentication

Help Orchestrator
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1

Hello Everyone,

Today we will be seeing a interesting topic on how to enable Multiple domain AD Authentication on UiPath Orchestrator on-premises.(Version:2023.10)

:puzzle_piece: Problem Statement
After installing UiPath Orchestrator on-premises within a single domain, users from other trusted domains are unable to log in. The expected domain dropdown appears, but user lookup fails or authentication doesn’t work.

:white_check_mark: Solution Steps
1. Log in as Host Admin
Access Orchestrator using the host-level credentials.
2. Navigate to Security Settings
Go to Admin > Security Settings.
3. Enable AD SSO Login
â—‹ Turn on Active Directory Single Sign-On (AD SSO).
â—‹ This allows Orchestrator to support authentication across multiple domains.
4. Disable LDAP Authentication
â—‹ Scroll down to the Authentication Methods section.
â—‹ If LDAP is enabled (checked), uncheck it.
â—‹ LDAP can restrict user discovery to a single domain, causing multi-domain Login Issues
5. Verify Domain Dropdown Functionality
• Go to Users > Manage Access.
• Use the Domain dropdown to select the desired domain.

You should now be able to search for and authenticate users from multiple domains

2

Hello @venuvsjcit!

It seems that you have trouble getting an answer to your question in the first 24 hours.
Let us give you a few hints and helpful links.

First, make sure you browsed through our Forum FAQ Beginner’s Guide. It will teach you what should be included in your topic.

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Cheers from your friendly
Forum_Staff