⚠️ 2 verified solutions available for Error 1797 — Last updated 2026-03-13
Error 1797 📋

Fix ERROR_UNKNOWN_PRINTER_DRIVER — Windows Error Code 1797

Error 1797 (ERROR_UNKNOWN_PRINTER_DRIVER) is a Windows RPC & Network error that occurs when the printer driver is unknown.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 1797 📛 ERROR_UNKNOWN_PRINTER_DRIVER 📅 Updated: 2026-03-13 ⏱️ 2 Solutions

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⚡ Quick Fix

Reset the Print Spooler Service: Open Command Prompt as Administrator

👇 See all 2 solutions below

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📑 Table of Contents
What is Error 1797? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 1797?

Windows System Error Code 1797, known as ERROR_UNKNOWN_PRINTER_DRIVER, is a RPC & Network error that occurs during Remote Procedure Call (RPC) and network communication. The error indicates that: The printer driver is unknown. When this error is encountered, the Windows operating system was unable to complete the requested operation within the network services subsystem. The error code 1797 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_UNKNOWN_PRINTER_DRIVER 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

  • Print Spooler service is hung or crashed
  • Corrupted print jobs stuck in the queue
  • Incompatible or outdated printer drivers
📚 Comprehensive Guide

Fixing Permission Denied (0x80070005) and Access Violation Errors

An encyclopedia on Windows NT File System (NTFS) permissions, taking ownership via command line, and surviving 0x80070005 Access Denied errors.

Read the full guide →

✅ Step-by-Step Solutions

1 Reset the Print Spooler Service
  1. Open Command Prompt as Administrator
  2. Run: net stop spooler
  3. Run: del /f /q C:\Windows\System32\spool\PRINTERS\*
  4. Run: net start spooler
  5. This clears the print queue and restarts the printing service
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Show Advanced Solutions (1 more)
2 Reinstall Printer Drivers
  1. Open Device Manager → Expand 'Print queues'
  2. Right-click your printer → Uninstall device
  3. Disconnect the printer, restart your computer
  4. Reconnect the printer and let Windows install fresh drivers
  5. Or download the latest driver from the manufacturer's website

🎬 Video Tutorials

▶️ Watch Video Tutorials
How To Fix Printer Spooler Error Windows 10 11
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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 "*1797*" -or $_.Message -like "*ERROR_UNKNOWN_PRINTER_DRIVER*"} | Format-List

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

🛡️ Prevention Tips

  • Keep printer drivers updated from the manufacturer's website
  • Clear the print queue if a job gets stuck instead of sending more jobs
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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.
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