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Here's the top method to resolve QuickBooks Desktop error H303

If you are getting QuickBooks desktop error H303 and want to fix it on your own using quick fixes, then the linked article will help you. If the error continues after troubleshooting, get in touch with the certified QuickBooks expertu2019s team by calling us on our helpline number (1.800.579.9430).

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Here's the top method to resolve QuickBooks Desktop error H303

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  1. Welcome To QB Data Service Support Call Us At - 1.800.579.9430

  2. The Best Ever Solutions for QuickBooks error H303 If you received QuickBooks error code H303 while opening the company file in multi-user mode, it indicates the firewall is preventing QuickBooks from connecting to the server computer. When the QuickBooks desktop error H303 triggers, the user gets a message, “This company file is on another computer, and QuickBooks needs some help connecting.” Damaged or corrupted QuickBooks company file is the leading cause of the error. This article will brief you on QuickBooks company file error H303, its causes and solutions, so stay connected until the end. If you are struggling with QuickBooks error H303 and want to fix it right away, then call us on our toll-free number 1.800.579.9430 and get assistance from the certified QuickBooks expert’s team

  3. What leads to QuickBooks error H303? • Here are some possible causes behind the error: • Hosting configuration settings are incorrect. • QuickBooks company file is damaged or corrupted. • Firewall and security settings are inappropriate. • Let us walk you through the troubleshooting procedure given below. • Quick Troubleshooting Solutions to Fix QuickBooks error H303 • Following are the most effective solutions to fix the error:

  4. Solution 1. Change the company file’s location • Move to the server computer. • Create a new folder. • Set up permissions to share the company file. • Copy the QuickBooks company file and paste it to the new folder you created. • Open QuickBooks and open the company file from the new folder. • If the solution given above didn’t work, move on to the next. • Solution 2. Disable Multi-User Access • The server computer is the one that hosts the company file. Hence, the hosting multi-user access should be turned off on other workstations: • Open QuickBooks. • Go to the File menu and select Utilities.

  5. Select the Stop Hosting Multi-User Access option. If you didn’t see the option, go to another workstation, this workstation is not causing the problem. • Now, move to the server computer. • Select the Host Multi-User Access option. • Open QuickBooks again. • If the error continues, proceed to the next solution. • Solution 3. Resume QuickBooks services on the server computer • Move to the server computer and click on the Start menu. • Type “Run” into the search box and open Run. • Within the Run window, type “services.msc” and then press Enter. • Search and double-click QuickBooksDBXXon the list, where XX denotes your QuickBooks version. • Choose Automaticfor the Startup Type.

  6. Ensure the Service status is either Running or Started. If it’s neither Running nor Started, choose Start. • Move to the Recovery tab. • Under the First failure, second failure and subsequent failure drop-down menu, choose Restart the service option. • Click Apply and then OK. • Follow the same steps to check the QBCF monitor service. • If you still get the error, try the next solution. • Solution 4. Configure the firewall settings • Follow these steps and add QuickBooks to firewall exceptions: • Select the Windows Start menu. • Type “Windows Firewall” into the search field and open Windows Firewall. • Select Advanced Settings. • Right-click Inbound Rulesand select New Rule.

  7. Select Portand then select Next. • Don’t forget to select TCP. • From the Specific local ports field, enter the specific ports needed for the QuickBooks year version you are using. • After entering the port number, click Next. • Mark Allow the connection option and click Next. • Ensure all the profiles are selected. • Next, create a new rule and name it “QBPorts(year).” • At last, click Finish. • Now, follow the above steps again and create Outbound Rules. • If the error persists, proceed to the following solution.

  8. Solution 5. Run QuickBooks File Doctor • Follow these steps to use the File Doctor tool from QuickBooks Tool Hub: • Download and install QuickBooks Tool Hub. • Open the tool hub and select the Company File Issues tab. • Click Run QuickBooks File Doctor. • Select the middle Check your file option. • Let the tool run. • That’s all about QuickBooks Desktop error H303. Hopefully, the solutions mentioned in the article help you fix the error. If the error continues after troubleshooting, contact the QuickBooks technical support team by calling us on our customer service number 1.800.579.9430. They will assist you with advanced troubleshooting for the same.

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