**How to Fix QuickBooks Error Code 6123, 0?**


Did you know that QuickBooks error code 6123, 0 is a 6000-error series that is associated with the company file? The error appears on the screen stating: We’re sorry, but QuickBooks can’t open your company file. This error shows up when you try to open company file in multi-user mode. You can come across the [QuickBooks error code 6123](https://www.hostdocket.com/quickbooks-error-code-6123-0/), when you try to open your company file directly from the network. The error can be experienced due to a handful of reasons which will be discussing later in this segment. In order to understand the QuickBooks error 6123 better, make sure to stick around the segment till the end.

**Reasons leading to QuickBooks error code 6123**
Here are the factors causing QuickBooks error 6123:
* One of the core reasons can be a corrupt network connection.
* Another possible reason can be if the firewall is blocking the port required to communicate with the server.

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