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                    <h1 id="install-dbamaintenancesolution">Install-DbaMaintenanceSolution</h1>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Author</strong></td>
<td>Viorel Ciucu, cviorel.com</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/Install-DbaMaintenanceSolution.ps1">Install-DbaMaintenanceSolution</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Install-DbaMaintenanceSolution">Install-DbaMaintenanceSolution</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>Download and Install SQL Server Maintenance Solution created by Ola Hallengren (<a href="https://ola.hallengren.com">https://ola.hallengren.com</a>)</p>
<h2 id="description">Description</h2>
<p>This script will download and install the latest version of SQL Server Maintenance Solution created by Ola Hallengren</p>
<h2 id="syntax">Syntax</h2>
<pre><code>Install-DbaMaintenanceSolution
    [-SqlInstance] &lt;DbaInstanceParameter[]&gt;
    [[-SqlCredential] &lt;PSCredential&gt;]
    [[-Database] &lt;String&gt;]
    [[-BackupLocation] &lt;String&gt;]
    [[-CleanupTime] &lt;Int32&gt;]
    [[-OutputFileDirectory] &lt;String&gt;]
    [-ReplaceExisting]
    [-LogToTable]
    [[-Solution] &lt;String[]&gt;]
    [-InstallJobs]
    [[-AutoScheduleJobs] &lt;String[]&gt;]
    [[-StartTime] &lt;String&gt;]
    [[-LocalFile] &lt;String&gt;]
    [-Force]
    [-InstallParallel]
    [-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; Install-DbaMaintenanceSolution -SqlInstance RES14224 -Database DBA -InstallJobs -CleanupTime 72
</code></pre>
<p>Installs Ola Hallengren's Solution objects on RES14224 in the DBA database.<br>
Backups will default to the default Backup Directory.<br>
If the Maintenance Solution already exists, the script will be halted.<br></p>
<h5 id="example-2">Example:  2</h5>
<pre><code>PS C:\&gt; Install-DbaMaintenanceSolution -SqlInstance RES14224 -Database DBA -InstallJobs -BackupLocation &quot;Z:\SQLBackup&quot; -CleanupTime 72
</code></pre>
<p>This will create the Ola Hallengren's Solution objects. Existing objects are not affected in any way.<br></p>
<h5 id="example-3">Example:  3</h5>
<pre><code>PS C:\&gt; $params = @{
&gt;&gt; SqlInstance = 'MyServer'
&gt;&gt; Database = 'maintenance'
&gt;&gt; ReplaceExisting = $true
&gt;&gt; InstallJobs = $true
&gt;&gt; LogToTable = $true
&gt;&gt; BackupLocation = 'C:\Data\Backup'
&gt;&gt; CleanupTime = 65
&gt;&gt; Verbose = $true
&gt;&gt; }
&gt;&gt; Install-DbaMaintenanceSolution @params
</code></pre>
<p>Installs Maintenance Solution to myserver in database. Adds Agent Jobs, and if any currently exist, they'll be replaced.<br>
Since the <code>LogToTable</code> switch is enabled, the CommandLog table will be dropped and recreated also.<br>
If the tables relating to <code>InstallParallel</code> are present, they will not be dropped.<br></p>
<h5 id="example-4">Example:  4</h5>
<pre><code>PS C:\&gt; $params = @{
&gt;&gt; SqlInstance = 'RES14224'
&gt;&gt; Database = 'DBA'
&gt;&gt; InstallJobs = $true
&gt;&gt; BackupLocation = 'Z:\SQLBackup'
&gt;&gt; CleanupTime = 72
&gt;&gt; ReplaceExisting = $true
&gt;&gt; }
PS C:\&gt; Install-DbaMaintenanceSolution @params
</code></pre>
<p>This will drop and then recreate the Ola Hallengren's Solution objects<br>
The cleanup script will drop and recreate:<br></p>
<ul>
<li>STORED PROCEDURE [dbo].[CommandExecute]<br></li>
<li>STORED PROCEDURE [dbo].[DatabaseBackup]<br></li>
<li>STORED PROCEDURE [dbo].[DatabaseIntegrityCheck]<br></li>
<li>STORED PROCEDURE [dbo].[IndexOptimize]<br>
The tables will not be dropped as the <code>LogToTable</code> and <code>InstallParallel</code> switches are not enabled.<br></li>
<li>[dbo].[CommandLog]<br></li>
<li>[dbo].[Queue]<br></li>
<li>[dbo].[QueueDatabase]<br>
The following SQL Agent jobs will be deleted:<br></li>
<li>'Output File Cleanup'<br></li>
<li>'IndexOptimize - USER_DATABASES'<br></li>
<li>'sp_delete_backuphistory'<br></li>
<li>'DatabaseBackup - USER_DATABASES - LOG'<br></li>
<li>'DatabaseBackup - SYSTEM_DATABASES - FULL'<br></li>
<li>'DatabaseBackup - USER_DATABASES - FULL'<br></li>
<li>'sp_purge_jobhistory'<br></li>
<li>'DatabaseIntegrityCheck - SYSTEM_DATABASES'<br></li>
<li>'CommandLog Cleanup'<br></li>
<li>'DatabaseIntegrityCheck - USER_DATABASES'<br></li>
<li>'DatabaseBackup - USER_DATABASES - DIFF'<br></li>
</ul>
<h5 id="example-5">Example:  5</h5>
<pre><code>PS C:\&gt; Install-DbaMaintenanceSolution -SqlInstance RES14224 -Database DBA -InstallParallel
</code></pre>
<p>This will create the Queue and QueueDatabase tables for uses when manually changing jobs to use the @DatabasesInParallel = 'Y' flag<br></p>
<h5 id="example-6">Example:  6</h5>
<pre><code>PS C:\&gt; $params = @{
&gt;&gt; SqlInstance = &quot;localhost&quot;
&gt;&gt; InstallJobs = $true
&gt;&gt; CleanupTime = 720
&gt;&gt; AutoSchedule = &quot;WeeklyFull&quot;
&gt;&gt; }
&gt;&gt; Install-DbaMaintenanceSolution @params
</code></pre>
<p>This will create the Ola Hallengren's Solution objects and the SQL Agent Jobs.<br>
WeeklyFull will create weekly full, daily differential and 15 minute log backups of <em>user</em> databases.<br>
<em>System</em> databases will be backed up daily.<br>
Databases will be backed up to the default location for the instance, and backups will be deleted after 720 hours (30 days).<br>
See <a href="https://github.com/dataplat/dbatools/pull/8911">https://github.com/dataplat/dbatools/pull/8911</a> for details on job schedules.<br></p>
<h5 id="example-7">Example:  7</h5>
<pre><code>PS C:\&gt; $params = @{
&gt;&gt; SqlInstance = &quot;localhost&quot;
&gt;&gt; InstallJobs = $true
&gt;&gt; CleanupTime = 720
&gt;&gt; AutoScheduleJobs = &quot;DailyFull&quot;, &quot;HourlyLog&quot;
&gt;&gt; BackupLocation = &quot;\\sql\backups&quot;
&gt;&gt; StartTime = &quot;231500&quot;
&gt;&gt; }
PS C:\&gt; Install-DbaMaintenanceSolution @params
</code></pre>
<p>This will create the Ola Hallengren's Solution objects and the SQL Agent Jobs.<br>
The jobs will be scheduled to run daily full user backups at 11:15pm, no differential backups will be created and hourly log backups will be made.<br>
System databases will be backed up at 1:15 am, two hours after the user databases.<br>
Databases will be backed up to a fileshare, and the backups will be deleted after 720 hours (30 days).<br>
See <a href="https://blog.netnerds.net/2023/05/install-dbamaintenancesolution-now-supports-auto-scheduling/">https://blog.netnerds.net/2023/05/install-dbamaintenancesolution-now-supports-auto-scheduling/</a> for more information.<br></p>
<h3 id="required-parameters">Required Parameters</h3>
<h5 id="sqlinstance">-SqlInstance</h5>
<p>The target SQL Server instance onto which the Maintenance Solution will be installed. <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></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>The database where Ola Hallengren's solution will be installed. Defaults to master.<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>master</td>
</tr>
</tbody>
</table>
<h5 id="backuplocation">-BackupLocation</h5>
<p>Location of the backup root directory. If this is not supplied, the default backup directory will 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></td>
</tr>
</tbody>
</table>
<h5 id="cleanuptime">-CleanupTime</h5>
<p>Time in hours, after which backup files are deleted.<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="outputfiledirectory">-OutputFileDirectory</h5>
<p>Specify the output file directory where the Maintenance Solution will write to.<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="replaceexisting">-ReplaceExisting</h5>
<p>If this switch is enabled, objects already present in the target database will be dropped and recreated.<br />
Note - The tables for <code>LogToTable</code> and <code>InstallParallel</code> will only be dropped if those options are also specified.<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="logtotable">-LogToTable</h5>
<p>If this switch is enabled, the Maintenance Solution will be configured to log commands to a table.<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="solution">-Solution</h5>
<p>Specifies which portion of the Maintenance solution to install. Valid values are All (full solution), Backup, IntegrityCheck and IndexOptimize.<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>All</td>
</tr>
<tr>
<td>Accepted Values</td>
<td>All,Backup,IntegrityCheck,IndexOptimize</td>
</tr>
</tbody>
</table>
<h5 id="installjobs">-InstallJobs</h5>
<p>If this switch is enabled, the corresponding SQL Agent Jobs will be created.<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="autoschedulejobs">-AutoScheduleJobs</h5>
<p>Scheduled jobs during an optimal time. When AutoScheduleJobs is used, this time will be used as the start time for the jobs unless a schedule already<br />
exists in the same time slot. If so, then it will add an hour until it finds an open time slot. Defaults to 1:15 AM.<br />
WeeklyFull will create weekly full, daily differential and 15 minute log backups of <em>user</em> databases.<br />
<em>System</em> databases will always be backed up daily.<br />
Differentials will be skipped when NoDiff or DailyFull is specified.<br />
To perform log backups each hour instead of every 15 minutes, specify HourlyLog in the values.<br />
Recommendations can be found on Ola's site: <a href="https://ola.hallengren.com/frequently-asked-questions.html">https://ola.hallengren.com/frequently-asked-questions.html</a><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>
<tr>
<td>Accepted Values</td>
<td>WeeklyFull,DailyFull,NoDiff,FifteenMinuteLog,HourlyLog</td>
</tr>
</tbody>
</table>
<h5 id="starttime">-StartTime</h5>
<p>When AutoScheduleJobs is used, this time will be used as the start time for the jobs unless a schedule already<br />
exists in the same time slot. If so, then it will add an hour until it finds an open time slot. Defaults to 1:15 AM.<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>011500</td>
</tr>
</tbody>
</table>
<h5 id="localfile">-LocalFile</h5>
<p>Specifies the path to a local file to install Ola's solution from. This <em>should</em> be the zip file as distributed by the maintainers.<br />
If this parameter is not specified, the latest version will be downloaded and installed from <a href="https://github.com/olahallengren/sql-server-maintenance-solution">https://github.com/olahallengren/sql-server-maintenance-solution</a><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="force">-Force</h5>
<p>If this switch is enabled, the Ola's solution will be downloaded from the internet even if previously cached.<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="installparallel">-InstallParallel</h5>
<p>If this switch is enabled, the Queue and QueueDatabase tables are created, for use when  @DatabasesInParallel = 'Y' are set in the jobs.<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>
<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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