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Power Platform Community / Forums / Power Automate / Power Automate Desktop...
Power Automate
Answered

Power Automate Desktop loses cloud access after password change in proxy environment

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I'm facing an issue with Power Automate Desktop in a proxy environment and would appreciate any insights.

Environment:

  • Proxy network
  • Office 365 license
  • Registry settings configured under HKLM\SOFTWARE\Microsoft\Power Automate Desktop:
    • ProxyNetworkCredentialsKey
    • ProxyServer

Problem: Before changing my Windows password, PAD works fine and I can create flows. However, after changing the password, PAD fails to access cloud services.

Temporary workaround: To restore access, I currently have to:

  1. Update the Generic Credentials in Windows Credential Manager
  2. Clear cache via Internet Options
  3. Terminate PAD from Task Manager
  4. Sign in to PAD again

This workaround is tedious and not ideal for regular use.
Is there a way to make PAD work seamlessly even after a password change?

Thanks in advance!

I have the same question (0)
  • Verified answer
    Riyaz_riz11 Profile Picture
    3,893 Super User 2025 Season 2 on at
    Hi,
     

    1. Use Windows Credential Manager Automation

    If you can automate the update of Generic Credentials after a password change, that saves you the manual step. You could script this:

    • Export current credentials before password change.

    • After password change, update stored credentials via script or manual input.

    But this still involves some manual handling.

    2. Configure PAD & Proxy for Integrated Windows Authentication (IWA) or Single Sign-On (SSO)

    If your proxy supports Integrated Windows Authentication (like NTLM or Kerberos):

    • Ensure PAD is set to use system default proxy settings and Windows credentials for proxy authentication.

    • This way, when your Windows password changes, your user session tokens update, and PAD transparently uses the updated credentials without needing manual updates.

    Check these:

    • Registry key ProxyNetworkCredentialsKey should ideally be empty or not set, so PAD uses current logged-in user credentials.

    • ProxyServer is set correctly.

    • Your proxy supports IWA (NTLM/Kerberos).

    3. Avoid storing static proxy credentials in PAD registry or Credential Manager

    • Storing static proxy credentials means PAD keeps old passwords after a change.

    • Remove stored proxy username/password from PAD config and Credential Manager.

    • Use current Windows user context for proxy auth.

    4. Clear PAD cache programmatically on logout/login

    If caching tokens cause issues, have a startup script that kills PAD and clears cache after password change.

    5. Update PAD to latest version

    • Check if your PAD version has fixes related to proxy or authentication issues.

    • Newer versions handle token refresh and credential caching better.

     

    If I have answered your question, please mark it as the preferred solution ✅ . If you like my response, please give it a Thumbs Up 👍.
    Regards,
    Riyaz



       

     

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