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                    <h1 id="resolve-dbanetworkname">Resolve-DbaNetworkName</h1>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Author</strong></td>
<td>Klaas Vandenberghe (@PowerDBAKlaas) , Simone Bizzotto (@niphold)</td>
</tr>
<tr>
<td><strong>Availability</strong></td>
<td>Windows, Linux, macOS</td>
</tr>
</tbody>
</table>
<p> </p>
<p>Want to see the source code for this command? Check out <a href="https://github.com/dataplat/dbatools/blob/master/public/Resolve-DbaNetworkName.ps1">Resolve-DbaNetworkName</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Resolve-DbaNetworkName">Resolve-DbaNetworkName</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>Returns information about the network connection of the target computer including NetBIOS name, IP Address, domain name and fully qualified domain name (FQDN).</p>
<h2 id="description">Description</h2>
<p>Retrieves the IPAddress, ComputerName from one computer.<br />
The object can be used to take action against its name or IPAddress.</p>
<p>First ICMP is used to test the connection, and get the connected IPAddress.</p>
<p>Multiple protocols (e.g. WMI, CIM, etc) are attempted before giving up.</p>
<p>Important: Remember that FQDN doesn't always match &quot;ComputerName dot Domain&quot; as AD intends.<br />
There are network setup (google &quot;disjoint domain&quot;) where AD and DNS do not match.<br />
&quot;Full computer name&quot; (as reported by sysdm.cpl) is the only match between the two,<br />
and it matches the &quot;DNSHostName&quot;  property of the computer object stored in AD.<br />
This means that the notation of FQDN that matches &quot;ComputerName dot Domain&quot; is incorrect<br />
in those scenarios.<br />
In other words, the &quot;suffix&quot; of the FQDN CAN be different from the AD Domain.</p>
<p>This cmdlet has been providing good results since its inception but for lack of useful<br />
names some doubts may arise.<br />
Let this clear the doubts:</p>
<ul>
<li>InputName: whatever has been passed in</li>
<li>ComputerName: hostname only</li>
<li>IPAddress: IP Address</li>
<li>DNSHostName: hostname only, coming strictly from DNS (as reported from the calling computer)</li>
<li>DNSDomain: domain only, coming strictly from DNS (as reported from the calling computer)</li>
<li>Domain: domain only, coming strictly from AD (i.e. the domain the ComputerName is joined to)</li>
<li>DNSHostEntry: Fully name as returned by DNS [System.Net.Dns]::GetHostEntry</li>
<li>FQDN: &quot;legacy&quot; notation of ComputerName &quot;dot&quot; Domain (coming from AD)</li>
<li>FullComputerName: Full name as configured from within the Computer (i.e. the only secure match between AD and DNS)</li>
</ul>
<p>So, if you need to use something, go with FullComputerName, always, as it is the most correct in every scenario.</p>
<h2 id="syntax">Syntax</h2>
<pre><code>Resolve-DbaNetworkName
    [[-ComputerName] &lt;DbaInstanceParameter[]&gt;]
    [[-Credential] &lt;PSCredential&gt;]
    [-Turbo]
    [-EnableException]
    [&lt;CommonParameters&gt;]

</code></pre>
<p> </p>
<h2 id="examples">Examples</h2>
<p> </p>
<h5 id="example-1">Example:  1</h5>
<pre><code>PS C:\&gt; Resolve-DbaNetworkName -ComputerName sql2014
</code></pre>
<p>Returns a custom object displaying InputName, ComputerName, IPAddress, DNSHostName, DNSDomain, Domain, DNSHostEntry, FQDN, DNSHostEntry for sql2014<br></p>
<h5 id="example-2">Example:  2</h5>
<pre><code>PS C:\&gt; Resolve-DbaNetworkName -ComputerName sql2016, sql2014
</code></pre>
<p>Returns a custom object displaying InputName, ComputerName, IPAddress, DNSHostName, DNSDomain, Domain, DNSHostEntry, FQDN, DNSHostEntry for sql2016 and sql2014<br></p>
<h5 id="example-3">Example:  3</h5>
<pre><code>PS C:\&gt; Get-DbaRegServer -SqlInstance sql2014 | Resolve-DbaNetworkName
</code></pre>
<p>Returns a custom object displaying InputName, ComputerName, IPAddress, DNSHostName, DNSDomain, Domain, DNSHostEntry, FQDN, DNSHostEntry for all SQL Servers returned by Get-DbaRegServer<br></p>
<h5 id="example-4">Example:  4</h5>
<pre><code>PS C:\&gt; Get-DbaRegServer -SqlInstance sql2014, sql2016\sqlexpress | Resolve-DbaNetworkName
</code></pre>
<p>Returns a custom object displaying InputName, ComputerName, IPAddress, DNSHostName, DNSDomain, Domain, DNSHostEntry, FQDN, DNSHostEntry for all SQL Servers returned by Get-DbaRegServer<br></p>
<h3 id="optional-parameters">Optional Parameters</h3>
<h5 id="computername">-ComputerName</h5>
<p>The target SQL Server instance or instances.<br />
This can be the name of a computer, a SMO object, an IP address or a SQL Instance.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>true (ByValue)</td>
</tr>
<tr>
<td>Default Value</td>
<td>$env:COMPUTERNAME</td>
</tr>
</tbody>
</table>
<h5 id="credential">-Credential</h5>
<p>Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).<br />
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported.<br />
For MFA support, please use Connect-DbaInstance.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="turbo">-Turbo</h5>
<p>Resolves without accessing the server itself. Faster but may be less accurate because it relies on DNS only,<br />
so it may fail spectacularly for disjoin-domain setups. Also, everyone has its own DNS (i.e. results may vary<br />
changing the computer where the function runs)<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td>FastParrot</td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td>False</td>
</tr>
</tbody>
</table>
<h5 id="enableexception">-EnableException</h5>
<p>By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.<br />
This avoids overwhelming you with &quot;sea of red&quot; exceptions, but is inconvenient because it basically disables advanced scripting.<br />
Using this switch turns this &quot;nice by default&quot; feature off and enables you to catch exceptions with your own try/catch.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>False</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</td>
</tr>
<tr>
<td>Default Value</td>
<td>False</td>
</tr>
</tbody>
</table>
<p> </p>

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