Fix Hybrid Configuration Wizard Download Fails on Exchange Server 2019
Question details
The user is unable to download or launch the Hybrid Configuration Wizard for Exchange Server 2019 using the standard Microsoft link.

- Product
- Exchange Server 2019
- Device & OS
- not provided
- Scenario
- Attempting to configure a hybrid environment between an on-premises Exchange Server 2019 and Microsoft 365.
- Observed behavior
- The standard aka.ms/HybridWizard link triggers a browser warning, and the window closes automatically after the user selects Proceed, preventing the download.
Ensure your server has a stable internet connection and that your browser's security settings or firewall are not actively blocking downloads from Microsoft domains.
Use the Direct Download Link for the Hybrid Agent
Bypass the failing standard redirect link by downloading the Hybrid Agent PowerShell module directly from Microsoft.
Browser security features like SmartScreen or strict internet zone policies can sometimes block the standard ClickOnce application execution used by the default Hybrid Wizard link.
Launch a supported web browser on your Exchange Server or designated management machine.
Type or paste the alternative direct download URL: https://aka.ms/HybridAgentPSM into the address bar and press Enter.
Once the file is successfully downloaded, locate it in your Downloads folder and run it as an administrator to begin the Hybrid Agent installation.

Consult the Exchange Hybrid Management Q&A Forum
Seek advanced assistance from the official Microsoft community if the direct download fails or if there are deeper server configuration issues.
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Frequently Asked Questions
Why does the Hybrid Configuration Wizard window close automatically after clicking proceed?
This typically occurs due to strict browser security policies, Windows Defender SmartScreen filters, or outdated TLS settings on the server blocking the ClickOnce application execution triggered by the aka.ms redirect.
What are the prerequisites for running the Hybrid Configuration Wizard?
The server running the wizard must be domain-joined, have a working internet connection, be able to connect to your on-premises Exchange Server, and support the latest TLS 1.2 security protocols required by Microsoft 365.
Can I run the Hybrid Configuration Wizard on any machine?
While it doesn't strictly have to be run on the Exchange Server itself, it must be run on a domain-joined machine that has network access to both the internet and your internal Exchange Server infrastructure.




