What is Windows Error 1907 (ERROR_PASSWORD_MUST_CHANGE)?

Error 1907 (ERROR_PASSWORD_MUST_CHANGE) is a Windows RPC & Network error that occurs when the user's password must be changed before signing in.. This guide provides step-by-step solutions to resolve this issue.

What causes Error 1907?

RPC server is unavailable. Network connectivity issues. Firewall blocking required ports. Remote endpoint timeout

How do I fix Error 1907 (ERROR_PASSWORD_MUST_CHANGE)?

Reset Network Stack: Open Command Prompt as Administrator. Run: netsh winsock reset. Run: netsh int ip reset. Run: ipconfig /flushdns. Restart your computer

Fix ERROR_PASSWORD_MUST_CHANGE — Windows Error Code 1907

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⚡ Quick Fix

Reset Network Stack: Open Command Prompt as Administrator

👇 See all 2 solutions below

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📑 Table of Contents

What is Error 1907? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 1907?

Windows System Error Code 1907, known as ERROR_PASSWORD_MUST_CHANGE, is a RPC & Network error that occurs during Remote Procedure Call (RPC) and network communication. The error indicates that: The user's password must be changed before signing in. When this error is encountered, the Windows operating system was unable to complete the requested operation within the network services subsystem. The error code 1907 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_PASSWORD_MUST_CHANGE maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within Remote Procedure Call (RPC) and network communication is essential for effective troubleshooting.

⚠️ Common Causes

RPC server is unavailable
Network connectivity issues
Firewall blocking required ports
Remote endpoint timeout

✅ Step-by-Step Solutions

1 Reset Network Stack

Open Command Prompt as Administrator
Run: netsh winsock reset
Run: netsh int ip reset
Run: ipconfig /flushdns
Restart your computer

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2 Check RPC Service

Open services.msc
Ensure 'Remote Procedure Call (RPC)' is Running and Automatic
Also check 'DCOM Server Process Launcher'
Restart both if stopped

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💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*1907*" -or $_.Message -like "*ERROR_PASSWORD_MUST_CHANGE*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

Monitor network health regularly
Document firewall rules
Test connectivity after infrastructure changes

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Last updated: 2026-03-13

📖

Based on Official Microsoft Documentation

Solutions Tested on Windows 10 & 11

Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-13.