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                    <h1 id="reset-dbaadmin">Reset-DbaAdmin</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/Reset-DbaAdmin.ps1">Reset-DbaAdmin</a> on GitHub.
<br>
Want to see the Bill Of Health for this command? Check out <a href="https://dataplat.github.io/boh#Reset-DbaAdmin">Reset-DbaAdmin</a>.</p>
<h2 id="synopsis">Synopsis</h2>
<p>This function allows administrators to regain access to SQL Servers in the event that passwords or access was lost.</p>
<p>Supports SQL Server 2005 and above. Windows administrator access is required.</p>
<h2 id="description">Description</h2>
<p>This function allows administrators to regain access to local or remote SQL Servers by either resetting the sa password, adding the sysadmin role to existing login, or adding a new login (SQL or Windows) and granting it sysadmin privileges.</p>
<p>This is accomplished by stopping the SQL services or SQL Clustered Resource Group, then restarting SQL via the command-line using the /mReset-DbaAdmin parameter which starts the server in Single-User mode and only allows this script to connect.</p>
<p>Once the service is restarted, the following tasks are performed:</p>
<ul>
<li>Login is added if it doesn't exist</li>
<li>If login is a Windows User, an attempt is made to ensure it exists</li>
<li>If login is a SQL Login, password policy will be set to OFF when creating the login, and SQL Server authentication will be set to Mixed Mode.</li>
<li>Login will be enabled and unlocked</li>
<li>Login will be added to sysadmin role</li>
</ul>
<p>If failures occur at any point, a best attempt is made to restart the SQL Server.</p>
<p>In order to make this script as portable as possible, Microsoft.Data.SqlClient and Get-WmiObject are used (as opposed to requiring the Failover Cluster Admin tools or SMO).</p>
<p>If using this function against a remote SQL Server, ensure WinRM is configured and accessible. If this is not possible, run the script locally.</p>
<p>Tested on Windows XP, 7, 8.1, Server 2012 and Windows Server Technical Preview 2.<br />
Tested on SQL Server 2005 SP4 through 2016 CTP2.</p>
<h2 id="syntax">Syntax</h2>
<pre><code>Reset-DbaAdmin
    [-SqlInstance] &lt;DbaInstanceParameter&gt;
    [[-SqlCredential] &lt;PSCredential&gt;]
    [[-Login] &lt;String&gt;]
    [[-SecurePassword] &lt;SecureString&gt;]
    [-Force]
    [-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; Reset-DbaAdmin -SqlInstance sqlcluster -SqlCredential sqladmin
</code></pre>
<p>Prompts for password, then resets the &quot;sqladmin&quot; account password on sqlcluster.<br></p>
<h5 id="example-2">Example:  2</h5>
<pre><code>PS C:\&gt; Reset-DbaAdmin -SqlInstance sqlserver\sqlexpress -Login ad\administrator -Confirm:$false
</code></pre>
<p>Adds the domain account &quot;ad\administrator&quot; as a sysadmin to the SQL instance.<br>
If the account already exists, it will be added to the sysadmin role.<br>
Does not prompt for a password since it is not a SQL login. Does not prompt for confirmation since -Confirm is set to $false.<br></p>
<h5 id="example-3">Example:  3</h5>
<pre><code>PS C:\&gt; Reset-DbaAdmin -SqlInstance sqlserver\sqlexpress -Login sqladmin -Force
</code></pre>
<p>Skips restart confirmation, prompts for password, then adds a SQL Login &quot;sqladmin&quot; with sysadmin privileges.<br>
If the account already exists, it will be added to the sysadmin role and the password will be reset.<br></p>
<h3 id="required-parameters">Required Parameters</h3>
<h5 id="sqlinstance">-SqlInstance</h5>
<p>The target SQL Server instance or instances. SQL Server must be 2005 and above, and can be a clustered or stand-alone 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>True</td>
</tr>
<tr>
<td>Pipeline</td>
<td>false</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>Instead of using Login and SecurePassword, you can just pass in a credential object.<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="login">-Login</h5>
<p>By default, the Login parameter is &quot;sa&quot; but any other SQL or Windows account can be specified. If a login does not currently exist, it will be added.<br />
When adding a Windows login to remote servers, ensure the SQL Server can add the login (ie, don't add WORKSTATION\Admin to remoteserver\instance. Domain users and Groups are valid input.<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>sa</td>
</tr>
</tbody>
</table>
<h5 id="securepassword">-SecurePassword</h5>
<p>By default, if a SQL Login is detected, you will be prompted for a password. Use this to securely bypass the prompt.<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 Login(s) will be dropped and recreated on Destination. Logins that own Agent jobs cannot be dropped at this time.<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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