How to Fix Sage 50 Error 8591


In this article, you will learn what is Sage 50 Error 8591, primary reasons, and its resolution. Sage is one of the most successful accounting software which is so popular among the users. In the last some years Sage reached everyone because of its features and quality. But sometimes users complain about the error 8591. This is one of the most disturbing errors, however, solutions are also available for the same.

What is Sage 50 Error 8591

Sage error 8591 is one of the error happens while working with Sage and mainly happens due to incompatibility between server and the database where Sage 50 program is unable to connect with the pervasive and results in this error.

Causes of the Sage 50 Error 8591:

Some of the main causes are given below

⚠️ Discrepancy  between server and pervasive engine

⚠️ When Windows can’t start pervasive then also this leads to Sage error 8591

⚠️ When PSQL can’t run properly then also it shows the error 8591

⚠️ When damaged pervasive is installed or firewall configures in a way which restricts pervasive to work normally

Methods to Resolve the Sage 50 Error 8591

Sage 50 Error Code 8591 can be resolved through using the various methods, however, some common methods are mentioned below.

First of all, close all your program and reboot your computer. This one is the easiest and fastest way to solve minor issues as well. Now, restart the Sage 50 and check if Pervasive works well properly.

✅ Method 1 – Close W3dbsmgr.Exe Process

  • Press Ctrl + Alt +Delete button simultaneously and then open the Task Manager
  • Go to the Details or Process tab
  • Now locate and select “w3dbsmgr.exe
  • To end up the process click the “End Process” option and click yes
  • Follow the instructions showing on the screen.
  • Reboot the pervasive service again and see if the error is resolved

✅ Method 2 – Uninstalling and Re-installing Pervasive Service

  • First of all to uninstall pervasive service using Sage 50 Database Repair utility
  • Download the Sage 50 Database repair utility
  • Click Remove pervasive line >> Click Run
  • This utility program uninstalls the Pervasive service completely
  • To again install the Pervasive service again follow the “Install Pervasive” steps
  • Once Pervasive service is installed again, check if now it works properly

✅ Method 3 – Reinstall and Upgrade Sage 50 program

  • In this step you need to reinstall your Sage 50 and after installation upgrade it  to its latest version

✅ Method 4 – Error on Windows 10 computer

  • Enter the Start button
  • Now in the search box type “Services.msc
  • Do right click and select the option “run as administrator
  • Restart the pervasive service and check if the Sage program is working fine


If still, you are unable to resolve the issues contact Sage 50 experts team, team is available 24*7 to assist you with the resolutions. Sage experts are polite, professional, and have many years of experience in the same domain. You can also live chat with dedicated and certified Sage experts. Alternatively, you can also email at [email protected] to get a response from our quick and fast Sage team.

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