MAS 90 Support Services

How to upgrade your MAS 90 or MAS 200 Software

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Distribution, Manufacturing and Field Service organizations

MAS 90 support services – If you are on a version 3.72 or MAS 90 or MAS 200 and wish to upgrade you can migrate all of your data to the current version. You will need to migrate to 4.0 and then to the most recent release. Please refer to the Sage Software Master Upgrade Project Plan before you begin and make a full backup of your system including data and Sage Software Installation

We also recommend performing a test conversion, getting all necessary custom reports and forms in place and doing a final data conversion once you have all the kinks worked out which takes a bit of time and planning. You should test thru each transaction you actually use to make sure the initial conversion actually brought over everything you expected. This way when you are actually ready to cut over your business only has a small amount of down town and frustration.

Back in those days the upgrades were in-line with data conversions, not migrations, up till 4.0. If I were going to upgrade someone from a 2.x or 3.x version of MAS 90 I would bring them to 3.72 prior to data migration. Also, I would re-build every file and re-sort before migrating from 3.72. Before you start you need to print off all the reports showing balances and again once you are complete to make sure the balances and data conversion went well. However, you still need to review and test every thing especially if you are a larger user of this system.

At a minimum print the following:

  • General ledger trial balance
  • Accounts Receivable aging detail report
  • Detailed Accounts payable aging report
  • Inventory valuation
  • Payroll YTD earnings
  • Purchases clearing report
  • Open jobs

Any report that will help you measure when you start the upgrade and then at the end of the upgrade so you can confirm that you have successfully brought over all your data.

What you need to plan for



3rd party add-ons

custom forms

custom crystal reports

This is not a process you should attempt in a few hours if you do not know what you are doing and there are many other steps you may also need to consider so you have the complete picture. Once you get to a more current version of Sage 100 the upgrade process has been made much easier.

Remember test, test, test to make sure you are ready to go.  Perform a final conversion once the testing is complete and all forms, add-ons and custom reports are in place.

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