How to solve QuickBooks Switch to Multi-User Mode Greyed Out issue
                     Fixes for QuickBooks Switch to Multi-
User Mode Greyed Out issue
QuickBooks allows users to host the company files on a multi-user network, 
making it usable for other users. The server computer hosting the company file 
runs in multi-user mode to make the data file accessible to other workstations. 
Unfortunately, internal errors are also common in the software which can 
sometimes interrupt the setup of multi-user network. QuickBooks Switch to 
Multi-User Mode Greyed Out issue can make some multi-user mode 
inaccessible to the user. If you also experienced your preferences option in 
multi-user mode greyed out, keep reading the blog to understand the reasons it 
happens and the methods to eliminate it.
A QB support team is always available at +1-855-948-3646 for your 
assistance in troubleshooting.

Reasons
This multi-user mode issues is raised in QuickBooks due to the following 
reasons-
• The Network Descriptor file has gone missing from your computer or it has 
been hit by a virus attack.
• QuickBooks struggles to switch to multi-user mode because of internal 
glitches developed during installation.
• Database Server Manager malfunctions when you try to access a company 
file form the network.
Solutions
The methods mentioned below are useful to terminate this multi-user mode 
issue in QuickBooks-
Solution 1- Rename the Network Descriptor file to recreate it
The multi-user mode in QuickBooks is initiated by the Network Descriptor file. It 
holds the initialization details of the network including system information and 
the location of the files that are to be used in the network. Database Server 
Manager will fail to run if this file gets damaged and you won’t be able to access 
or host a company file in the network. To resume using the multi-user mode, 
you’ll have to recreate the file as described in the step below-
• Approach your QuickBooks folder.
• Look for a file with extension .nd and an identical name to your company file.
• Right-click on the Network Descriptor (.nd) file and hit Rename.
• Change the file extension by adding ‘.old’ at the last of its name.
• Save the file.
• Run QuickBooks Database Server Manager and go to the Scan Folders tab.
• Choose the QuickBooks folder in which you made the adjustments and click 
on Start Scan.
• The issue will be fixed after the scan on DBSM finishes.
In case you still face the issue while turning on the multi-user mode, try the next 
solution.
Solution 2- Run QuickBooks Tool hub
The ‘Preferences’ option may sometimes seem to be greyed out while you turn 
on the multi-user mode. You’ll not be able to click on the option due to minor 
issues in the software which can be tackled by using the QB tool hub as shown 
in the steps below-
1. Open the QB tool hub and click on Program Problems.
2. Select the Quick fix my program option from the drop-down list.
3. Let the tool fix the issues and then reopen QuickBooks.
The problems with the multi-user mode will be resolved after applying the 
above given method.
Conclusion
This blog explains why your 
QuickBooks Switch to Multi-User Mode Greyed Out the data file became 
inaccessible. We hope you fixed the issue using the methods given in the blog 
and you are now able to use the multi-user mode without any problems.
If the issue persists in the software, rectify it with the help of a QB 
support team available at +1-855-948-3646.