Summary
How to reset your subscription key in Sage 50 Accounts.
Description
If Sage 50 Accounts doesn't recognise your subscription, or you want to enter a new one, you can reset it.
NOTE: If you're in Ireland, ensure your Windows regional settings are English (Ireland) and your location is Ireland. Follow our article to check or edit your computer's regional settings.
Resolution
Reset the subscription key
TIP: Before you start, make sure you have your new licence information. Need to find it? Use our Find your Sage serial number, activation key and account number article.
- Close Sage 50 Accounts.
- Hold down the Windows Key, then press E to open File Explorer.
- In the address bar, type C:\ProgramData\Sage\ then press Enter.
- Right-click SDK Licence, click Rename then rename the folder to SDK Licence OLD.
TIP: If you can't see the folder, select the View tab, and then hover over Show and select Hidden Items.
- In the address bar type the following relevant path:
Sage Accounts v31 C:\ProgramData\Sage\Accounts\2025 Sage Accounts v30 C:\ProgramData\Sage\Accounts\2024 Sage Accounts v29 C:\ProgramData\Sage\Accounts\2023 Sage Accounts v28 C:\ProgramData\Sage\Accounts\2022 Sage Accounts v27 C:\ProgramData\Sage\Accounts\2021 Sage Accounts v26 C:\ProgramData\Sage\Accounts\2020 - Delete the sage.usr file.
TIP: This is held in C:\ProgramData\Sage\Accounts\XXXX. Replace XXXX with the relevant year, as per the table in step 5.
- Click the button below to download the registry fix:
Download the registry fix - If prompted to save the file, note the file name, then click Save.
- Browse to and double-click the downloaded file.
- Click Yes, click Yes, then click OK.
- Open Sage 50 Accounts and when prompted, enter your Serial number, Activation key and Account number.
Upgrading your licence
Need a little more room? To add extra companies, users, employees or more to your software licence, leave your details and we'll be in touch.
