QuickBooks is one of the particular accounting software which is used widely by small and mid-size businesses. Sometimes when a user tries to access company files in multi-user mode. It shows "QuickBooks database server manager network diagnostics failed" this issue occurs when the QuickBooks database version is outdated or it has been blocked by the windows firewall. To fix this issue you can try to update the database version or configuring the windows firewall settings. if you still facing "QuickBooks database server manager network diagnostics failed" error then call at (844)-932-1139.
If you are want to learn how to install, update, and set up QuickBooks Database Server manager, you can read on this blog post.
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