A Step-by-Step Guide to Solve QuickBooks MultiUser is Not Working Error
The QuickBooks multi-user mode is not working, and the problem usually
displays an error message stating that multiple users cannot access the
company file simultaneously. Two other common causes are network
connectivity issues and incorrect QuickBooks network setup. Further
information about the error message indicated that it usually contains specific
error codes, such as H202 or H505, which indicate problems with the host
configuration or the server connection required to access files in multi-user
mode
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Following are the reasons QuickBooks multiuser mode is not working
 The installation of QuickBooks is missing from the server.
 The hosting setting could be configured incorrectly.
 Some firewalls or antivirus software prohibit users' computers from talking to
one another.
 It fails to open the company file.
 The database server has failed to open the file, and Windows has
improperly set its file permissions.
Proven solutions to rectify why QuickBooks
multi-user is not working

Learn how you can overcome QuickBooks multi-user mode errors. Here, you can find the stepwise
method to do so:

Step 1: Set up folder permissions

First, you need to check all the permissions are set correctly.

Launch the start menu window and select File Explorer.

Right-click the folder that holds the company file. Then select Properties.

On the Security tab, select Advanced.

Select QBDataServiceUserXX and select Edit.

Set the following settings to Allowed:
 Traverse Folder/Execute File
 List Folder/Read Data
 Read Attributes
 Read Extended Attributes
 Create Files/Write Data
 Create Folders/Append Data
 Write Attributes
 Write Extended Attributes
Step 2: Read Permissions
 If your permissions aren't set correctly:
 Right-click the folder with the company file and click on Properties.
 Select Security, then Edit.
 Select QBDataServiceUserXX, select Full Control, then Allow.
 Select Apply, then OK.
Step 3: Download Database Server Manager
 Database Server Manager is a main component of QuickBooks. You only
need to download and update QuickBooks Desktop, and QuickBooks
Database Server Manager automatically updates.
Step 4: Assign Windows admin rights
 Add a QuickBooks user
 Invite Intuit account users
 Use predefined roles
 Create a new custom role
 Review roles and permissions
 Step 5: Scan your folders
 Before you share your files, you have to scan for the folders holding them. You need to scan
them only once.
 First, launch the start menu window on your computer. This is the computer hosting your
company files.
 Type "Database" in the search and open QuickBooks Database Server Manager.
 Click the Scan Folders tab.
 Click the Browse. Then click on the folders holding your company files (QBW).
 Select OK when you are done.
 When you are ready, select Start Scan.
Conclusion
 In summary, it is concluded that QuickBooks multi-user mode is not working
error occurs due to many reasons. We have discussed those causes above
along with the solution. Read the blog carefully and get rid of the error
permanently. If you need professional help regarding QuickBooks eros, call
us at +1.833.802.0002. Our experts are always ready to help our users.