RDS Print

Solving the Common RDS Print Driver Isolation Error Print driver crashes in a Remote Desktop Services (RDS) environment can cripple user productivity. When a single print driver fails, it can crash the entire Print Spooler service, halting printing for all users on that terminal server. Implementing print driver isolation is the most effective way to prevent this widespread downtime. Understanding Print Driver Isolation

By default, the Print Spooler service runs all print drivers within its own primary process. If one driver encounters an error, the entire service crashes.

Print driver isolation moves drivers into separate, isolated processes outside the main spooler. If an isolated driver crashes, it only affects that specific print job or printer. The main Print Spooler service and all other users continue working uninterrupted. How to Configure Driver Isolation

You can configure driver isolation using the Print Management console or via Group Policy for environment-wide enforcement. Method 1: Using Print Management

Open the Run dialog (Win + R), type printmanagement.msc, and press Enter. Expand Print Servers, then click on your server name. Click on Drivers to view the installed drivers.

Right-click the target print driver and hover over Set Isolation. Choose one of the following settings:

Shared: The driver runs in a single process shared with other isolated drivers.

Isolated: The driver runs in its own dedicated process, completely separate from all others. Method 2: Enforcing via Group Policy (GPO)

To ensure that the system overrides poorly coded drivers that attempt to bypass isolation, enforce it via GPO:

Open the Group Policy Management Editor for your domain or local policy.

Navigate to: Computer Configuration \ Administrative Templates \ Printers

Locate the policy: Override print driver execution compatibility setting reported by print driver. Set the policy to Enabled.

This forces the Print Spooler to run drivers in isolated mode even if the driver package does not explicitly report itself as compatible. Troubleshooting Persistent Isolation Errors

If you still experience print crashes after enabling isolation, apply these advanced troubleshooting steps: 1. Check Event Viewer Logs

Navigate to Applications and Services Logs \ Microsoft \ Windows \ PrintService \ Operational. Look for Event ID 842 or 843, which identify exactly which driver file caused the isolation process to terminate. 2. Update or Replace the Driver

Isolated processes still crash if the driver code is fundamentally corrupted. Switch to a vendor-supplied v4 print driver if available, as v4 drivers inherently support isolation better than older v3 architectures. Alternatively, use the Microsoft Universal Print Driver or the Remote Desktop Easy Print driver. 3. Clear the Spooler Cache

Legacy, registry-clogged drivers can bypass isolation settings. Purge stale drivers by stopping the spooler service, deleting cached files from C:\Windows\System32\spool\PRINTERS, and restarting the service. To help find the right fix for your setup, let me know: What Windows Server version are you running? Is this happening with a specific printer model?

Are you currently using Easy Print or native vendor drivers?

I can provide the exact steps or registry keys needed for your environment. \x3c!–cqw1tb d81aob_4l/HugV6–> Saved time \x3c!–TgQPHd|[91,“Saved time”,false,false]–> \x3c!–TgQPHd|[92,“Clear”,false,false]–> \x3c!–TgQPHd|[94,“Helpful”,false,false]–> Comprehensive \x3c!–TgQPHd|[93,“Comprehensive”,false,false]–> \x3c!–TgQPHd|[95,“Other”,true,true]–> \x3c!–TgQPHd|[2,“Incorrect”,false,false]–> Inappropriate \x3c!–TgQPHd|[9,“Inappropriate”,false,false]–> Not working \x3c!–TgQPHd|[70,“Not working”,true,false]–> \x3c!–TgQPHd|[11,“Unhelpful”,false,false]–> \x3c!–TgQPHd|[1,“Other”,true,true]–>

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