Try This Fix If QBWin.log Verify list. Duplicate Name Encountered
                     Do This If QBWin.log: Verify 
list. Duplicate Name 
Encountered
QuickBooks Desktop records program messages and errors, including data generated during 
operations like the Verify, Rebuild, and Condense Data utilities, in a dedicated file. On Windows, 
this file is known as QBWin.log.In QuickBooks Desktop, encountering the error 
QBWin.log: Verify list. Duplicate name encountered can disrupt workflow efficiency. This 
issue typically arises when the Verify Data utility identifies duplicate entries within your company 
file's lists, such as customers, vendors, or accounts.
Other  QBWin.log errors can disrupt smooth workflows. We will explore them in detail in our 
upcoming blog post and outline steps to resolve them.
To contact our technical support staff, you can use our quick assistance line at a toll-free 
number, 1.855.856.0042. We are pleased to assist you, as are our specialists and the top-
certified experts in the field.

Here's Possible Error Messages You Might See
You may encounter several QBWin.log errors in QuickBooks. Here, we've attempted to 
compile a list of some common ones:
• Check Master: duplicate transaction number: date, doc#, master, trans, and txn# 
• Verify Master: Incorrect transaction: Is ### instead of ###.
• Verify Master: Next transaction number is ### instead of ###.
• LVL_ERROR-Error: Verify Names list: Index XXX, record XXX.
• Log: The orphan payee was found in the online cache.
• Log: Verify Target: Invalid open balance.
• LVL_ERROR-Error: Verify item history: Target quantity on order mismatch error.
• LVL_ERROR-Error: Verify online account information: Invalid customer ID 
number&>Record= XXX
• LVL_ERROR-Error: Verification of Names List: Index XXX, record XXX.
• Log: The orphan payee was discovered in the online cache.
• Log Verification Target: Invalid open balance.
• LVL_ERROR-Error: Verification of item history shows a mismatch in target quantity on 
order.
Resolving Steps for QBWin.log Errors
Here are the steps to easily resolve QBWin.log: Verify the list. Duplicate names encountered 
errors in QuickBooks, including Error 213 in QuickBooks Desktop:
Step 1: Locate the duplicate names
Find the duplicates with the QBWin.log file.
• In your computer, locate the QBWin.log or QuickBooks.log files.
• Use Ctrl + End to navigate to the bottom of the file.
• Press Ctrl + F to open the Find window and search for the term duplicate in the log.
• Identify the name, account, customer message, or other references mentioned in the error 
message.
To locate duplicate names, utilize the Primary Name List.
• Select Write Checks from the Banking menu after navigating there.
• Click on the Pay to the Order field and use Ctrl + L to access the Primary Name List.
• Check the Include inactive checkbox to display both active and inactive names.
• Click on the Name heading to arrange names alphabetically, irrespective of type.
• Identify any names with identical spellings.
Use your standard lists to locate accounts, things, templates, etc.
• Go to the Lists menu and select the appropriate list.
• For Memorized Report List: Navigate to Reports > Memorized Reports > Memorized 
Report List.
• Click on the Name heading to sort names alphabetically.
• Check for names with identical spellings.
Step 2: Modify one of the duplicate names
• Edit one of the names:
• Open the list where the name is located (Customer List, Vendor List, etc.).
• Double-click on the name to open its details for editing.
• Modify at least one character of the name to distinguish it from its duplicate.
• Click OK to save the changes.
• Repeat the above steps for all duplicate names identified in the QBWin.log Run the Verify 
Data Utility to confirm that no more duplicate names are present.
After following the steps outlined above, you should achieve the intended outcome. If, 
however, the QBWin.log: Verify list. Duplicate name encountered error persists; please 
contact our QuickBooks technical support team at 1.855.856.0042.