QuickBooks Error 6123,0 is encountered if you are using more than one version of QuickBooks in your system.
Causes:
Windows OS is damaged.
Firewall system blocks QuickBooks communication.
You can get QuickBooks error 6123, 0 fixed by simply renaming the .nd and .tlg file and adding .old at the end of the name of the new file.
Get instant help to fix QuickBooks error code 6123,0, contact QBSsolved at +1(888) 910 1619
