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<p data-start="474" data-end="805">If you’re facing <a href="https://www.qbookshub.com/quickbooks-error-h505/">QuickBooks Error H505</a>, chances are you’re trying to access a company file located on another computer, but QuickBooks can’t reach the server. This frustrating network error is common in multi-user setups and can stop your workflow dead in its tracks. Fortunately, it’s completely fixable with the right approach.</p>
<p data-start="78" data-end="253"><strong>Resolve <em data-start="110" data-end="133">QuickBooks Error H505</em> with proven database & network fixes. Call +1(866)409-5111 for help. Step-by-step 2025 solutions for multi-user access.</strong></p>
<p data-start="807" data-end="1032">In this guide, you’ll get step-by-step instructions, learn what causes the <em data-start="882" data-end="905">QuickBooks Error H505</em>, and how to resolve it using tested database and connection solutions. Let’s eliminate the error and get you back to business.</p>
<h2 data-start="1039" data-end="1079"><strong data-start="1045" data-end="1079">What is QuickBooks Error H505?</strong></h2>
<p data-start="1081" data-end="1266"><em data-start="1081" data-end="1104">QuickBooks Error H505</em> is a network-related error that occurs when a user tries to access a company file stored on a different computer but QuickBooks can't connect to the host system.</p>
<p data-start="1268" data-end="1386">This error is part of the H-series (H101, H202, H303, and H505), all of which relate to multi-user mode access issues.</p>
<h2 data-start="1393" data-end="1441"><strong data-start="1399" data-end="1441">Common Causes of QuickBooks Error H505</strong></h2>
<p data-start="1443" data-end="1575">Before we dive into solutions, let’s understand the root causes. Knowing <strong data-start="1516" data-end="1523">why</strong> the error occurs helps in applying the correct fix.</p>
<ul data-start="1577" data-end="1839">
<li data-start="1577" data-end="1617">
<p data-start="1579" data-end="1617">The hosting configuration is incorrect</p>
</li>
<li data-start="1618" data-end="1671">
<p data-start="1620" data-end="1671">QuickBooks services (like QBDBMgrN) are not running</p>
</li>
<li data-start="1672" data-end="1727">
<p data-start="1674" data-end="1727">Windows firewall is blocking QuickBooks communication</p>
</li>
<li data-start="1728" data-end="1761">
<p data-start="1730" data-end="1761">Damaged or incorrect <code data-start="1751" data-end="1756">.ND</code> file</p>
</li>
<li data-start="1762" data-end="1794">
<p data-start="1764" data-end="1794">DNS settings are misconfigured</p>
</li>
<li data-start="1795" data-end="1839">
<p data-start="1797" data-end="1839">Host computer not reachable on the network</p>
</li>
</ul>
<h2 data-start="1846" data-end="1911"><strong data-start="1851" data-end="1911">How to Fix QuickBooks Error H505: Step-by-Step Solutions</strong></h2>
<p data-start="1913" data-end="2017">Here’s your ultimate repair manual to eliminate the <em data-start="1965" data-end="1988">QuickBooks Error H505</em>. Try these methods in order.</p>
<h3 data-start="2024" data-end="2058"><strong data-start="2028" data-end="2058">1. Verify Hosting Settings</strong></h3>
<p data-start="2060" data-end="2119">Make sure only your server computer hosts the company file.</p>
<p data-start="2121" data-end="2131"><strong data-start="2121" data-end="2131">Steps:</strong></p>
<ol data-start="2132" data-end="2364">
<li data-start="2132" data-end="2171">
<p data-start="2135" data-end="2171">Open QuickBooks on each workstation.</p>
</li>
<li data-start="2172" data-end="2202">
<p data-start="2175" data-end="2202">Go to <strong data-start="2181" data-end="2201">File > Utilities</strong>.</p>
</li>
<li data-start="2203" data-end="2266">
<p data-start="2206" data-end="2266">If you see <strong data-start="2217" data-end="2245">“Host Multi-User Access”</strong>, <strong data-start="2247" data-end="2265">don’t click it</strong>.</p>
</li>
<li data-start="2267" data-end="2364">
<p data-start="2270" data-end="2364">If you see <strong data-start="2281" data-end="2317">“Stop Hosting Multi-User Access”</strong>, click it and disable hosting on that machine.</p>
</li>
</ol>
<blockquote data-start="2366" data-end="2430">
<p data-start="2368" data-end="2430">Only the server should host the file. Workstations must not.</p>
</blockquote>
<h3 data-start="2437" data-end="2486"><strong data-start="2441" data-end="2486">2. Use QuickBooks Database Server Manager</strong></h3>
<p data-start="2488" data-end="2552">This is a built-in tool to fix connectivity and database issues.</p>
<p data-start="2554" data-end="2564"><strong data-start="2554" data-end="2564">Steps:</strong></p>
<ol data-start="2565" data-end="2769">
<li data-start="2565" data-end="2609">
<p data-start="2568" data-end="2609">Download or open <strong data-start="2585" data-end="2608">QuickBooks Tool Hub</strong>.</p>
</li>
<li data-start="2610" data-end="2675">
<p data-start="2613" data-end="2675">Go to <strong data-start="2619" data-end="2674">Network Issues > QuickBooks Database Server Manager</strong>.</p>
</li>
<li data-start="2676" data-end="2729">
<p data-start="2679" data-end="2729">Scan the folder where your company file is stored.</p>
</li>
<li data-start="2730" data-end="2769">
<p data-start="2733" data-end="2769">Let the tool fix any network issues.</p>
</li>
</ol>
<h3 data-start="2776" data-end="2812"><strong data-start="2780" data-end="2812">3. Check QuickBooks Services</strong></h3>
<p data-start="2814" data-end="2878">Make sure the services required for multi-user mode are running.</p>
<p data-start="2880" data-end="2902"><strong data-start="2880" data-end="2902">Services to check:</strong></p>
<ul data-start="2903" data-end="2980">
<li data-start="2903" data-end="2955">
<p data-start="2905" data-end="2955"><strong data-start="2905" data-end="2955">QuickBooksDBXX (where XX is your version year)</strong></p>
</li>
<li data-start="2956" data-end="2980">
<p data-start="2958" data-end="2980"><strong data-start="2958" data-end="2980">QBCFMonitorService</strong></p>
</li>
</ul>
<p data-start="2982" data-end="2992"><strong data-start="2982" data-end="2992">Steps:</strong></p>
<ol data-start="2993" data-end="3195">
<li data-start="2993" data-end="3056">
<p data-start="2996" data-end="3056">Press <strong data-start="3002" data-end="3017">Windows + R</strong>, type <strong data-start="3024" data-end="3040">services.msc</strong>, and hit Enter.</p>
</li>
<li data-start="3057" data-end="3086">
<p data-start="3060" data-end="3086">Locate the above services.</p>
</li>
<li data-start="3087" data-end="3152">
<p data-start="3090" data-end="3152">Right-click > Properties > Startup Type: Set to <strong data-start="3138" data-end="3151">Automatic</strong>.</p>
</li>
<li data-start="3153" data-end="3195">
<p data-start="3156" data-end="3195">Click <strong data-start="3162" data-end="3171">Start</strong> if they aren’t running.</p>
</li>
</ol>
<h3 data-start="3202" data-end="3239"><strong data-start="3206" data-end="3239">4. Configure Windows Firewall</strong></h3>
<p data-start="3241" data-end="3293">Firewall blocks can trigger <em data-start="3269" data-end="3292">QuickBooks Error H505</em>.</p>
<p data-start="3295" data-end="3305"><strong data-start="3295" data-end="3305">Steps:</strong></p>
<ol data-start="3306" data-end="3633">
<li data-start="3306" data-end="3383">
<p data-start="3309" data-end="3383">Go to <strong data-start="3315" data-end="3382">Control Panel > System and Security > Windows Defender Firewall</strong>.</p>
</li>
<li data-start="3384" data-end="3432">
<p data-start="3387" data-end="3432">Select <strong data-start="3394" data-end="3431">Advanced Settings > Inbound Rules</strong>.</p>
</li>
<li data-start="3433" data-end="3576">
<p data-start="3436" data-end="3474">Create new rules for QuickBooks ports:</p>
<ul data-start="3478" data-end="3576">
<li data-start="3478" data-end="3513">
<p data-start="3480" data-end="3513">QB 2021: 8019, 56728, 55378-55382</p>
</li>
<li data-start="3517" data-end="3576">
<p data-start="3519" data-end="3576">QB 2020: 8019, 56727, 55373-55377 (adjust as per version)</p>
</li>
</ul>
</li>
<li data-start="3577" data-end="3633">
<p data-start="3580" data-end="3633">Allow QuickBooks through public and private networks.</p>
</li>
</ol>
<h3 data-start="3640" data-end="3676"><strong data-start="3644" data-end="3676">5. Rename .ND and .TLG Files</strong></h3>
<p data-start="3678" data-end="3734">Damaged network descriptor files can block file sharing.</p>
<p data-start="3736" data-end="3746"><strong data-start="3736" data-end="3746">Steps:</strong></p>
<ol data-start="3747" data-end="4023">
<li data-start="3747" data-end="3781">
<p data-start="3750" data-end="3781">Go to your company file folder.</p>
</li>
<li data-start="3782" data-end="3866">
<p data-start="3785" data-end="3866">Find files with extensions <strong data-start="3812" data-end="3819">.ND</strong> and <strong data-start="3824" data-end="3832">.TLG</strong> (same name as your company file).</p>
</li>
<li data-start="3867" data-end="3974">
<p data-start="3870" data-end="3912">Rename them by adding <strong data-start="3892" data-end="3900">.old</strong> at the end.</p>
<ul data-start="3916" data-end="3974">
<li data-start="3916" data-end="3974">
<p data-start="3918" data-end="3974">Example: <code data-start="3927" data-end="3947">companyfile.qbw.nd</code> → <code data-start="3950" data-end="3974">companyfile.qbw.nd.old</code></p>
</li>
</ul>
</li>
<li data-start="3975" data-end="4023">
<p data-start="3978" data-end="4023">Reopen QuickBooks and try to access the file.</p>
</li>
</ol>
<h3 data-start="4030" data-end="4069"><strong data-start="4034" data-end="4069">6. Edit Host File and Check DNS</strong></h3>
<p data-start="4071" data-end="4130">If the host computer isn't reachable, update the host file.</p>
<p data-start="4132" data-end="4142"><strong data-start="4132" data-end="4142">Steps:</strong></p>
<ol data-start="4143" data-end="4351">
<li data-start="4143" data-end="4186">
<p data-start="4146" data-end="4186">Go to <code data-start="4152" data-end="4185">C:\Windows\System32\drivers\etc</code>.</p>
</li>
<li data-start="4187" data-end="4237">
<p data-start="4190" data-end="4237">Right-click <strong data-start="4202" data-end="4211">hosts</strong> file > Open with Notepad.</p>
</li>
<li data-start="4238" data-end="4288">
<p data-start="4241" data-end="4288">Add IP address and computer name of the server.</p>
</li>
<li data-start="4289" data-end="4307">
<p data-start="4292" data-end="4307">Save and close.</p>
</li>
<li data-start="4308" data-end="4351">
<p data-start="4311" data-end="4351">Test connectivity by pinging the server.</p>
</li>
</ol>
<p> </p>
<p>Read This Blog: <span data-sheets-root="1"><a class="in-cell-link" href="https://www.qbookshub.com/fix-quickbooks-save-as-pdf-not-working/" target="_blank">QuickBooks Save as PDF Not Working</a></span></p>
<h2 data-start="4899" data-end="4919"><strong data-start="4905" data-end="4919">Conclusion</strong></h2>
<p data-start="4921" data-end="5249"><em data-start="4921" data-end="4944">QuickBooks Error H505</em> doesn’t have to halt your business operations. By carefully applying these fixes — from correcting hosting settings to configuring firewalls — you can restore access and prevent future errors. Database and network issues are often deeply connected, but with the right technical steps, they’re manageable.</p>
<p data-start="5251" data-end="5480">Still facing issues? Sometimes, advanced network setups or corrupt installations need expert handling. Don’t hesitate to get professional assistance. For 24/7 support, call <strong data-start="5424" data-end="5443">+1(866)409-5111</strong> and let certified experts handle it.</p>
<h2 data-start="5487" data-end="5528"><strong data-start="5491" data-end="5528">Frequently Asked Questions (FAQs)</strong></h2>
<h3 data-start="5530" data-end="5581"><strong data-start="5534" data-end="5579">Q1. What does QuickBooks Error H505 mean?</strong></h3>
<p data-start="5582" data-end="5692">It indicates a problem with multi-user mode. QuickBooks cannot connect to the server hosting the company file.</p>
<h3 data-start="5694" data-end="5748"><strong data-start="5698" data-end="5746">Q2. Can I fix H505 without technical skills?</strong></h3>
<p data-start="5749" data-end="5900">Yes, basic fixes like checking hosting settings and using the Tool Hub are user-friendly. However, deeper fixes like DNS changes may need tech support.</p>
<h3 data-start="5902" data-end="5951"><strong data-start="5906" data-end="5949">Q3. Is QuickBooks Tool Hub safe to use?</strong></h3>
<p data-start="5952" data-end="6060">Absolutely. It’s an official Intuit tool designed to fix common QuickBooks errors including H-series issues.</p>
<h3 data-start="6062" data-end="6112"><strong data-start="6066" data-end="6110">Q4. Why does the error keep coming back?</strong></h3>
<p data-start="6113" data-end="6260">Likely due to dynamic IP addresses, misconfigured firewalls, or improperly set hosting roles. Use a static IP and regularly check service settings.</p>
<h3 data-start="6262" data-end="6318"><strong data-start="6266" data-end="6316">Q5. Should I reinstall QuickBooks to fix H505?</strong></h3>
<p data-start="6319" data-end="6417">Not necessarily. Try all other fixes first. Reinstallation is a last resort if nothing else works.</p>
<p data-start="6319" data-end="6417"> </p>
<p data-start="6319" data-end="6417">Read More: <span data-sheets-root="1"><a class="in-cell-link" href="https://qbookshub.bcz.com/2025/08/06/resolve-quickbooks-error-h505-fast-with-expert-tips/" target="_blank">https://qbookshub.bcz.com/2025/08/06/resolve-quickbooks-error-h505-fast-with-expert-tips/</a></span></p>
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