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                    <h1 id="test-dbaconnectionauthscheme">Test-DbaConnectionAuthScheme</h1>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Author</strong></td>
<td>Chrissy LeMaire (@cl), netnerds.net</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/Test-DbaConnectionAuthScheme.ps1">Test-DbaConnectionAuthScheme</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Test-DbaConnectionAuthScheme">Test-DbaConnectionAuthScheme</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>Returns the transport protocol and authentication scheme of the connection. This is useful to determine if your connection is using Kerberos.</p>
<h2 id="description">Description</h2>
<p>By default, this command will return the ConnectName, ServerName, Transport and AuthScheme of the current connection.</p>
<p>ConnectName is the name you used to connect. ServerName is the name that the SQL Server reports as its @@SERVERNAME which is used to register its SPN. If you were expecting a Kerberos connection and got NTLM instead, ensure ConnectName and ServerName match.</p>
<p>If -Kerberos or -Ntlm is specified, the $true/$false results of the test will be returned. Returns $true or $false by default for one server. Returns Server name and Results for more than one server.</p>
<h2 id="syntax">Syntax</h2>
<pre><code>Test-DbaConnectionAuthScheme
    [-SqlInstance] &lt;DbaInstanceParameter[]&gt;
    [[-SqlCredential] &lt;PSCredential&gt;]
    [-Kerberos]
    [-Ntlm]
    [-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; Test-DbaConnectionAuthScheme -SqlInstance sqlserver2014a, sql2016
</code></pre>
<p>Returns ConnectName, ServerName, Transport and AuthScheme for sqlserver2014a and sql2016.<br></p>
<h5 id="example-2">Example:  2</h5>
<pre><code>PS C:\&gt; Test-DbaConnectionAuthScheme -SqlInstance sqlserver2014a -Kerberos
</code></pre>
<p>Returns $true or $false depending on if the connection is Kerberos or not.<br></p>
<h5 id="example-3">Example:  3</h5>
<pre><code>PS C:\&gt; Test-DbaConnectionAuthScheme -SqlInstance sqlserver2014a | Select-Object *
</code></pre>
<p>Returns the results of &quot;SELECT * from sys.dm_exec_connections WHERE session_id = @@SPID&quot;<br></p>
<h3 id="required-parameters">Required Parameters</h3>
<h5 id="sqlinstance">-SqlInstance</h5>
<p>The target SQL Server instance or instances. Server(s) must be SQL Server 2005 or higher. <br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td></td>
</tr>
<tr>
<td>Required</td>
<td>True</td>
</tr>
<tr>
<td>Pipeline</td>
<td>true (ByValue)</td>
</tr>
<tr>
<td>Default Value</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="optional-parameters">Optional Parameters</h3>
<h5 id="sqlcredential">-SqlCredential</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>Credential,Cred</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="kerberos">-Kerberos</h5>
<p>If this switch is enabled, checks will be made for Kerberos authentication.<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>
<h5 id="ntlm">-Ntlm</h5>
<p>If this switch is enabled, checks will be made for NTLM authentication.<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>
<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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