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Troubleshooting Power Automate: Fixing 'Invalid Credentials' in Desktop Flows

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Troubleshooting Power Automate Invalid Credentials

Running desktop flows in Power Automate can sometimes encounter credential-related issues, leading to frustrating errors. These errors manifest as specific codes and messages, indicating problems with the user account, password, logon rights, or machine configuration used for the desktop flow connection. Understanding the root cause behind each error code is crucial for effective troubleshooting and resolution.

This guide delves into common ‘Invalid Credentials’ errors encountered in Power Automate desktop flows, providing detailed explanations and step-by-step solutions to help you identify and fix the underlying issues. We will explore various error codes, examine the potential reasons for their occurrence, and outline the necessary steps to regain seamless execution of your desktop flows.

Common Error Codes and Solutions

When a Power Automate desktop flow fails due to credential issues, you typically receive an error message accompanied by a numerical code. These codes provide clues about the specific nature of the problem. Let’s break down the most frequent error codes and their respective troubleshooting steps.

Error Code: -1073741477

This error code signifies that the user account configured for the desktop flow connection lacks the necessary logon rights on the target machine. Specifically, it indicates that a requested logon type (such as interactive or network logon) has not been granted to the user account. This is controlled by the machine’s security policies, often managed through “User Rights Assignment” settings.

The primary reason for this error is that the user account used for the connection does not have the “Allow log on locally” or “Allow log on through Network” user rights, depending on how Power Automate is configured to connect and execute the flow. Administrators can modify these rights via Group Policy or Local Security Policy settings on the machine. If these policies were recently changed or the user account was created without the standard rights, this error can occur.

To resolve this issue, an administrator must grant the required logon rights to the user account. The most common right needed for desktop flow execution is “Allow log on locally,” as Power Automate often simulates interactive user sessions. Verify the User Rights Assignment policies on the machine running the Power Automate agent and ensure the desktop flow service account or the specified user account is included in the appropriate policy settings. Consult the relevant Microsoft documentation on User Rights Assignment for detailed steps on checking and modifying these policies within your Windows environment.

Error Code: -1073445812

This error points to an issue with the format of the username provided. It suggests that the user identifier is not in the format expected by the system or the Power Automate connection configuration. The most common discrepancy is using the DOMAIN\user format when the user@domain.com (User Principal Name or UPN) format is required, or vice versa.

The format needed typically depends on how the machine is joined to a network or directory service. Machines joined only to an on-premises Active Directory domain often require the DOMAIN\user format. Conversely, machines joined to Azure Active Directory (Microsoft Entra ID) or configured as hybrid-joined often necessitate the user@domain.com (UPN) format. If the Power Automate connection uses a format that doesn’t match the machine’s configuration or the expected logon type, authentication will fail.

The simplest solution is to attempt signing in using both username formats in your Power Automate desktop flow connection settings. First, try the user@domain.com format if you were using DOMAIN\user. If that fails, switch to the DOMAIN\user format. One of these should match the format expected by the target machine’s authentication subsystem based on its join state. Verify the username and password combination is correct before experimenting with the format, as an incorrect password will result in a different error code.

Error Code: -1073741062

This error code indicates that the target machine is configured to require smart card logon, and a smart card was not used or is not supported for the connection method employed by Power Automate. Smart card authentication adds an extra layer of security by requiring a physical card and often a PIN, but it presents challenges for automated or remote connections like those used by Power Automate desktop flows.

Power Automate desktop flow connections, especially those designed for unattended execution or running directly on the machine via the agent, typically rely on standard username and password authentication or other non-interactive methods. They are not designed to interface with physical smart card readers or prompt for smart card PINs during the automated logon process. Therefore, if the target machine’s security policy strictly enforces smart card logon for the type of access Power Automate requires, the connection will fail with this error.

The only viable solution for this specific error is to use a different machine that does not have smart card logon requirements enabled for the user account or logon type used by Power Automate. Alternatively, you would need to reconfigure the security policies on the target machine to allow username/password authentication for the relevant user account or logon type, provided this aligns with your organization’s security requirements. Connections to machines mandating smart card authentication for all access methods are fundamentally incompatible with standard Power Automate desktop flow execution methods.

Error Code: -1073741715

This is a general “Bad username or authentication information” error. It’s one of the most common credential failures and can stem from several issues, including an incorrect password, a mistyped username, or the username being in the wrong format (similar to -1073445812, but often grouped under this broader error). The system simply did not accept the provided credentials as valid for the specified user account on the target machine.

Troubleshooting this error requires a systematic approach. Firstly, double-check the username and password entered into the Power Automate connection settings. The simplest way to confirm their validity is to sign out of the target machine (if you are currently signed in) and then attempt to sign back in using the exact same username and password that you are trying to use in Power Automate. If you can log in successfully, the credentials themselves are correct, and the issue lies elsewhere.

If manual logon works, the problem is likely related to the username format or the context in which Power Automate is attempting to authenticate. Use the dsregcmd /status command on the target machine. Open Command Prompt and run this command. Look at the output, specifically the Diagnostic Data section, which includes “Executing Account Name”. This shows the format the system perceives the currently logged-in account as using. Compare this format to the one you are using in Power Automate.

Furthermore, examine the Device State section of the dsregcmd /status output to determine the machine’s join state. If “AzureAdJoined : YES”, the machine is Microsoft Entra (Azure AD) joined or hybrid-joined, and the user@domain.com format is typically required. If “AzureAdJoined : NO” but “DomainJoined : YES”, the machine is domain-only joined, and the DOMAIN\user format is usually correct. Ensure the username format in Power Automate aligns with the machine’s join state and the Executing Account Name format seen in dsregcmd /status.

Error Code: -1073741730

This error code indicates that the specified domain is unavailable or cannot be contacted during the authentication process. While the message suggests a domain connectivity issue, it can also be triggered by using an incorrect username format for the machine’s join state, which leads the system to look for a domain that isn’t relevant or accessible in that context. For example, using DOMAIN\user on a purely Azure AD joined machine might cause this error because there is no traditional on-premises domain controller to validate against in that format.

As with error -1073741715, the machine’s join state is a critical factor here. The system needs to know where to validate the credentials – against an on-premises Active Directory domain controller or Azure Active Directory. Using the wrong format directs the authentication request to the wrong place, potentially resulting in a “domain unavailable” error.

Again, run the dsregcmd /status command on the target machine. Pay close attention to the Device State section.
* If “AzureAdJoined : YES”, the machine is Microsoft Entra joined or hybrid-joined. You should use the user@domain.com format for credentials. The system will attempt to authenticate against Azure AD.
* If “AzureAdJoined : NO” but “DomainJoined : YES”, the machine is domain-only joined. You should use the DOMAIN\user format. The system will attempt to authenticate against the on-premises Active Directory domain controller.
Ensure the username format in your Power Automate connection matches the appropriate format for the machine’s join state. If the machine is domain-joined, also verify basic network connectivity to your domain controllers from the target machine. However, the error often points to a format mismatch first.

Error Code: -1073741714

This error code signifies that while the username and password provided are technically correct and valid, a specific user account restriction is preventing successful authentication at that particular time or from that particular context. These restrictions are often configured at the domain level (in Active Directory) or locally on the machine and can include policies like logon hours, restricted workstations, or account expiration dates.

Examples of such restrictions include:
* Logon Hours: The user account is only permitted to log on during specific hours of the day or specific days of the week. Attempting to authenticate outside of these hours will fail.
* Logon To: The user account is restricted to logging on only from a specific list of computers. If the target machine is not on that list, authentication will be denied.
* Account Expiration: The user account has a set expiration date, and it has passed.
* Account Locked Out: Repeated failed logon attempts may have locked the account.

To resolve this, an administrator needs to check the user account’s properties in the directory service (e.g., Active Directory Users and Computers) or the local user management console on the machine. Verify that no restrictions are currently active that would prevent the user from logging on at the time the Power Automate flow is attempting execution. Pay particular attention to logon hours and workstation restrictions, as these are common culprits for automated systems attempting to log on outside standard business hours or from designated service machines. Ensure the account is not locked out or expired.

Understanding Machine Join States

As highlighted in several error explanations, the machine’s join state is fundamental to choosing the correct username format. Let’s clarify the different states:

Join State Description Primary Username Format (for modern authentication) How to Verify (dsregcmd /status output)
Domain Joined Machine is joined only to an on-premises Active Directory domain. Manages users and policies via domain controllers. DOMAIN\user AzureAdJoined : NO, DomainJoined : YES
Azure AD Joined Machine is joined directly to Azure Active Directory (Microsoft Entra ID). Manages users and policies via Azure AD. user@domain.com (UPN) AzureAdJoined : YES, DomainJoined : NO
Hybrid Azure AD Joined Machine is joined to both on-premises Active Directory and registered/joined with Azure AD. Manages users and policies from both. user@domain.com (UPN) - often preferred AzureAdJoined : YES, DomainJoined : YES
Workgroup Joined Machine is not joined to any domain. Users and policies are managed locally. Local username (e.g., MACHINENAME\user) AzureAdJoined : NO, DomainJoined : NO

Using the dsregcmd /status command is the authoritative way to check your machine’s join state and the format of the currently executing account.

Deep Dive: Checking User Rights Assignment

For error -1073741477, checking User Rights Assignment is key. These policies define which user accounts or groups have permission to perform specific tasks or logon types on a computer.

  1. Local Security Policy: Open secpol.msc (Local Security Policy) on the target machine. Navigate to “Security Settings” > “Local Policies” > “User Rights Assignment”. Review the settings for policies like “Allow log on locally”, “Allow log on through Network”, and potentially “Log on as a batch job” or “Log on as a service” depending on your Power Automate configuration.
  2. Group Policy: If the machine is part of a domain, these settings are likely managed via Group Policy. You might need domain administrator assistance to check the applied GPOs using gpresult /r or Group Policy Management Console (gpmc.msc) on a domain controller or administrative workstation. Identify the GPO applying User Rights Assignment and ensure the user account or a group containing the user account is listed under the required rights.

For interactive desktop flows, “Allow log on locally” is usually necessary. For unattended flows running as a service account, “Log on as a service” or “Log on as a batch job” might be relevant, but the common -1073741477 error often points to interactive logon rights issues for the configured user.

Additional Troubleshooting Steps

Beyond the specific error codes, consider these general steps when facing credential issues:

  • Keyboard Layout: Ensure the keyboard layout configured for the Power Automate session matches the layout used when setting the password. A different layout can lead to incorrect characters being entered, especially for special characters.
  • Caps Lock/Num Lock: Double-check that Caps Lock and Num Lock are in the correct state when entering credentials in Power Automate.
  • Power Automate Service: Verify that the Power Automate agent service (or gateway service if applicable) is running correctly on the target machine.
  • Machine Availability: Ensure the target machine is powered on, connected to the network, and accessible from where the Power Automate flow is triggered.
  • Account Status: Confirm the user account is not disabled or locked out directly in Active Directory or local user management.

Implementing these checks alongside the specific solutions for each error code should help you diagnose and resolve most ‘Invalid Credentials’ errors in Power Automate desktop flows.

Understanding dsregcmd /status Output

The dsregcmd /status command is a powerful built-in Windows tool that provides detailed information about a machine’s device state, including its join status and the account executing the command.

+----------------------------------------------------------------------+
| Device State                                                         |
+----------------------------------------------------------------------+

         AzureAdJoined : YES
      EnterpriseJoined : NO
          DomainJoined : YES
           Virtual Desktop: Retail
           KeyContainerId : ...
           KeyProvider : Microsoft Platform Crypto Provider
          TpmNyId : ...
             KeyTrustLevel : System
              KeyStatus : n/a
        NgcSet : YES
       NgcKeyId : ...
       CanResetNgc : YES
        WorkplaceJoined : NO

+----------------------------------------------------------------------+
| Tenant Details                                                       |
+----------------------------------------------------------------------+

... (Tenant information if Azure AD joined)

+----------------------------------------------------------------------+
| User State                                                           |
+----------------------------------------------------------------------+

                  LogonId : 123
                ObjectId : ...
              TenantId : ...
             SettingsUrl : ...
             NgcSet : YES
            NgcKeyId : ...
            CanResetNgc : YES

+----------------------------------------------------------------------+
| Diagnostic Data                                                      |
+----------------------------------------------------------------------+

              ActiveDirectory : Connected
               AzureLatencyMs : 5
             AzureAdJoin : PENDING
           DomainJoin : YES
           DeviceName : MYMACHINE
         Executing Account Name : MYDOMAIN\myuser
      Executing Account Id : ...
          Executing Account Type : DomainAccount

+----------------------------------------------------------------------+
| SSO State                                                            |
+----------------------------------------------------------------------+

... (SSO information if applicable)

In this example output:
* AzureAdJoined : YES and DomainJoined : YES indicate a Hybrid Azure AD Joined machine.
* Executing Account Name : MYDOMAIN\myuser shows the format the current user is logged in with. If you ran this while troubleshooting a Power Automate connection using myuser@mydomain.com, and it failed, seeing MYDOMAIN\myuser here would confirm the format discrepancy.

Running dsregcmd /status from the Command Prompt while logged in with the account you are using for the Power Automate connection is the best way to see the Executing Account Name in the correct context.

Visualizing Machine Join States

A simple flow chart can help visualize the decision process based on join state.

mermaid graph TD A[Run dsregcmd /status] --> B{Check Device State}; B -->|AzureAdJoined : YES| C{Check DomainJoined}; C -->|DomainJoined : YES| D[Hybrid Azure AD Joined]; C -->|DomainJoined : NO| E[Azure AD Joined]; B -->|AzureAdJoined : NO| F{Check DomainJoined}; F -->|DomainJoined : YES| G[Domain Joined]; F -->|DomainJoined : NO| H[Workgroup Joined]; D --> I[Use user@domain.com format]; E --> I; G --> J[Use DOMAIN\user format]; H --> K[Use MACHINENAME\user format]; I --> L[Troubleshoot based on format/AAD connection]; J --> L; K --> L; L --> M[Resolve Invalid Credentials];

This diagram illustrates how checking the AzureAdJoined and DomainJoined flags in dsregcmd /status guides you towards the most likely correct username format (user@domain.com vs DOMAIN\user).

Relevant YouTube Video

While there isn’t one specific YouTube video embedded here from the original source, searching for “Power Automate desktop flow invalid credentials” or “dsregcmd status explained” on YouTube can yield helpful visual guides for running commands and interpreting output, further assisting your troubleshooting efforts. For instance, videos explaining how to run dsregcmd /status and what the different sections mean are highly relevant to resolving errors -1073741715 and -1073741730.

Consider searching for:
* “How to check if Windows is Azure AD joined”
* “dsregcmd status command tutorial”
* “Power Automate Desktop invalid credentials error fix”

Conclusion

Troubleshooting ‘Invalid Credentials’ errors in Power Automate desktop flows requires a systematic approach focused on understanding the specific error code and the context of the target machine’s configuration. By carefully examining the error code, verifying username and password validity, checking the machine’s join state using dsregcmd /status, and ensuring the user account has the necessary logon rights and is free from restrictions, you can effectively pinpoint and resolve the authentication issue. Remember that the correct username format (user@domain.com vs. DOMAIN\user) is particularly critical and depends heavily on whether the machine is domain-joined, Azure AD joined, or hybrid-joined.

Have you encountered any of these errors? Do you have any additional tips or unique solutions for fixing Power Automate desktop flow credential issues? Share your experiences and insights in the comments below!

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