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                    <h1 id="invoke-dbadbdatamasking">Invoke-DbaDbDataMasking</h1>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Author</strong></td>
<td>Sander Stad (@sqlstad, sqlstad.nl) , 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/Invoke-DbaDbDataMasking.ps1">Invoke-DbaDbDataMasking</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Invoke-DbaDbDataMasking">Invoke-DbaDbDataMasking</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>Masks data by using randomized values determined by a configuration file and a randomizer framework</p>
<h2 id="description">Description</h2>
<p>TMasks data by using randomized values determined by a configuration file and a randomizer framework</p>
<p>It will use a configuration file that can be made manually or generated using New-DbaDbMaskingConfig</p>
<p>Note that the following column and data types are not currently supported:<br />
Identity<br />
ForeignKey<br />
Computed<br />
Hierarchyid<br />
Geography<br />
Geometry<br />
Xml</p>
<h2 id="syntax">Syntax</h2>
<pre><code>Invoke-DbaDbDataMasking
    [[-SqlInstance] &lt;DbaInstanceParameter[]&gt;]
    [[-SqlCredential] &lt;PSCredential&gt;]
    [[-Database] &lt;String[]&gt;]
    [-FilePath] &lt;Object&gt;
    [[-Locale] &lt;String&gt;]
    [[-CharacterString] &lt;String&gt;]
    [[-Table] &lt;String[]&gt;]
    [[-Column] &lt;String[]&gt;]
    [[-ExcludeTable] &lt;String[]&gt;]
    [[-ExcludeColumn] &lt;String[]&gt;]
    [[-MaxValue] &lt;Int32&gt;]
    [[-ModulusFactor] &lt;Int32&gt;]
    [-ExactLength]
    [[-CommandTimeout] &lt;Int32&gt;]
    [[-BatchSize] &lt;Int32&gt;]
    [[-Retry] &lt;Int32&gt;]
    [[-DictionaryFilePath] &lt;String[]&gt;]
    [[-DictionaryExportPath] &lt;String&gt;]
    [-EnableException]
    [-WhatIf]
    [-Confirm]
    [&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; Invoke-DbaDbDataMasking -SqlInstance SQLDB2 -Database DB1 -FilePath C:\Temp\sqldb1.db1.tables.json
</code></pre>
<p>Apply the data masking configuration from the file &quot;sqldb1.db1.tables.json&quot; to the db1 database on sqldb2. Prompt for confirmation for each table.<br></p>
<h5 id="example-2">Example:  2</h5>
<pre><code>PS C:\&gt; Get-ChildItem -Path C:\Temp\sqldb1.db1.tables.json | Invoke-DbaDbDataMasking -SqlInstance SQLDB2 -Database DB1 -Confirm:$false
</code></pre>
<p>Apply the data masking configuration from the file &quot;sqldb1.db1.tables.json&quot; to the db1 database on sqldb2. Do not prompt for confirmation.<br></p>
<h5 id="example-3">Example:  3</h5>
<pre><code>PS C:\&gt; New-DbaDbMaskingConfig -SqlInstance SQLDB1 -Database DB1 -Path C:\Temp\clone -OutVariable file
</code></pre>
<p>$file | Invoke-DbaDbDataMasking -SqlInstance SQLDB2 -Database DB1 -Confirm:$false<br>
Create the data masking configuration file &quot;sqldb1.db1.tables.json&quot;, then use it to mask the db1 database on sqldb2. Do not prompt for confirmation.<br></p>
<h5 id="example-4">Example:  4</h5>
<pre><code>PS C:\&gt; Get-ChildItem -Path C:\Temp\sqldb1.db1.tables.json | Invoke-DbaDbDataMasking -SqlInstance SQLDB2, sqldb3 -Database DB1 -Confirm:$false
</code></pre>
<p>See what would happen if you the data masking configuration from the file &quot;sqldb1.db1.tables.json&quot; to the db1 database on sqldb2 and sqldb3. Do not prompt for confirmation.<br></p>
<h3 id="required-parameters">Required Parameters</h3>
<h5 id="filepath">-FilePath</h5>
<p>Configuration file that contains the which tables and columns need to be masked <br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td>Path,FullName</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="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>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).<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="database">-Database</h5>
<p>Databases to process through<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="locale">-Locale</h5>
<p>Set the local to enable certain settings in the masking<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>en</td>
</tr>
</tbody>
</table>
<h5 id="characterstring">-CharacterString</h5>
<p>The characters to use in string data. 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' by default<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>abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789</td>
</tr>
</tbody>
</table>
<h5 id="table">-Table</h5>
<p>Tables to process. By default all the tables 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="column">-Column</h5>
<p>Columns to process. By default all the columns 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="excludetable">-ExcludeTable</h5>
<p>Exclude specific tables even if it's listed in the config file.<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="excludecolumn">-ExcludeColumn</h5>
<p>Exclude specific columns even if it's listed in the config file.<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="maxvalue">-MaxValue</h5>
<p>Force a max length of strings instead of relying on datatype maxes. Note if a string datatype has a lower MaxValue, that will be used instead.<br />
Useful for adhoc updates and testing, otherwise, the config file should be used.<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="modulusfactor">-ModulusFactor</h5>
<p>Calculating the next nullable by using the remainder from the modulus. Default is every 10.<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="exactlength">-ExactLength</h5>
<p>Mask string values to the same length. So 'Tate' will be replaced with 4 random characters.<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="commandtimeout">-CommandTimeout</h5>
<p>Timeout for the database connection in seconds. Default is 300.<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="batchsize">-BatchSize</h5>
<p>Size of the batch to use to write the masked data back to the database<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="retry">-Retry</h5>
<p>The amount of retries to generate a unique row for a table. Default is 1000.<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="dictionaryfilepath">-DictionaryFilePath</h5>
<p>Import the dictionary to be used in in the database masking<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="dictionaryexportpath">-DictionaryExportPath</h5>
<p>Export the dictionary to the given path. Naming convention will be [computername]<em>[instancename]</em>[database]_Dictionary.csv<br />
Be careful with this feature, this export is the key to get the original values which is a security risk!<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="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>
<h5 id="whatif">-WhatIf</h5>
<p>If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td>wi</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="confirm">-Confirm</h5>
<p>If this switch is enabled, you will be prompted for confirmation before executing any operations that change state.<br></p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Alias</td>
<td>cf</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>
<p> </p>

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