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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
<topic xml:lang="en-us" id="vmencryption-addpassword">
<title>Opening the Encrypted VM</title>
<body>
<p>When <ph conkeyref="vbox-conkeyref-phrases/product-name"/> has just started up the encrypted VM cannot be opened
and it stays inaccessible. Also, the encrypted VM stays inaccessible if it was just registered without a password
or the password is incorrect. The user needs to provide the password using <ph
conkeyref="vbox-conkeyref-phrases/vbox-mgr"/> or with the following <userinput>VBoxManage</userinput> command: </p>
<pre xml:space="preserve">VBoxManage encryptvm <varname>uuid</varname>|<varname>vmname</varname> addpassword --password <varname>filename</varname>|- --password-id <varname>ID</varname>
</pre>
<p>To supply the encryption password point <userinput>VBoxManage</userinput> to the file where the password is
stored or specify <codeph>-</codeph> to let <userinput>VBoxManage</userinput> prompt for the password on the
command line. </p>
<p>If <varname>ID</varname> is the same as the password identifier supplied when encrypting the VM it updates the
accessibility state. </p>
<p>To remove the entered password from the VM memory, use <userinput>VBoxManage</userinput> as follows: </p>
<pre xml:space="preserve">VBoxManage encryptvm <varname>uuid</varname>|<varname>vmname</varname> removepassword <varname>ID</varname>
</pre>
<p>If <varname>ID</varname> is the same as the password identifier supplied when encrypting the VM it updates the
accessibility state. </p>
<note>
<p>If a machine becomes inaccessible all passwords are purged. You have to add required passwords again, using the
<userinput>VBoxManage encryptvm <varname>vmname</varname> addpassword</userinput> command. See <xref
href="#vmencryption-addpassword"/>. </p>
</note>
</body>
</topic>
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