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                    <h1 id="test-dbareplatency">Test-DbaRepLatency</h1>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Author</strong></td>
<td>Colin Douglas</td>
</tr>
<tr>
<td><strong>Availability</strong></td>
<td>Windows, Linux, macOS</td>
</tr>
</tbody>
</table>
<p> </p>
<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-DbaRepLatency.ps1">Test-DbaRepLatency</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Test-DbaRepLatency">Test-DbaRepLatency</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>Displays replication latency for all transactional publications for a server or database.</p>
<h2 id="description">Description</h2>
<p>Creates tracer tokens to determine latency between the publisher/distributor and the distributor/subscriber
for all transactional publications for a server, database, or publication.</p>
<p>All replication commands need SQL Server Management Studio installed and are therefore currently not supported.
Have a look at this issue to get more information: <a href="https://github.com/dataplat/dbatools/issues/7428">https://github.com/dataplat/dbatools/issues/7428</a></p>
<h2 id="syntax">Syntax</h2>
<pre><code>Test-DbaRepLatency
    [-SqlInstance] &lt;DbaInstanceParameter[]&gt;
    [[-Database] &lt;Object[]&gt;]
    [[-SqlCredential] &lt;PSCredential&gt;]
    [[-PublicationName] &lt;Object[]&gt;]
    [[-TimeToLive] &lt;Int32&gt;]
    [-RetainToken]
    [-DisplayTokenHistory]
    [-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-DbaRepLatency -SqlInstance sql2008, sqlserver2012
</code></pre>
<p>Return replication latency for all transactional publications for servers sql2008 and sqlserver2012.<br></p>
<h5 id="example-2">Example:  2</h5>
<pre><code>PS C:\&gt; Test-DbaRepLatency -SqlInstance sql2008 -Database TestDB
</code></pre>
<p>Return replication latency for all transactional publications on server sql2008 for only the TestDB database<br></p>
<h5 id="example-3">Example:  3</h5>
<pre><code>PS C:\&gt; Test-DbaRepLatency -SqlInstance sql2008 -Database TestDB -PublicationName TestDB_Pub
</code></pre>
<p>Return replication latency for the TestDB_Pub publication for the TestDB database located on the server sql2008.<br></p>
<h3 id="required-parameters">Required Parameters</h3>
<h5 id="sqlinstance">-SqlInstance</h5>
<p>The target SQL Server instance or instances.<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="database">-Database</h5>
<p>The database(s) to process. If unspecified, all databases will be processed.<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="sqlcredential">-SqlCredential</h5>
<p>Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported.
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="publicationname">-PublicationName</h5>
<p>The publication(s) to process. If unspecified, all publications will be processed.<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="timetolive">-TimeToLive</h5>
<p>How long, in seconds, to wait for a tracer token to complete its journey from the publisher to the subscriber.
If unspecified, all tracer tokens will take as long as they need to process results.<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>0</td>
</tr>
</tbody>
</table>
<h5 id="retaintoken">-RetainToken</h5>
<p>Retains the tracer tokens created for each publication. If unspecified, all tracer tokens created will be discarded.<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="displaytokenhistory">-DisplayTokenHistory</h5>
<p>Displays all tracer tokens in each publication. If unspecified, the current tracer token created will be only token displayed.<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.
This avoids overwhelming you with &quot;sea of red&quot; exceptions, but is inconvenient because it basically disables advanced scripting.
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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