- <![CDATA[Error code: 0XC004F074]]>Consulting and Network Services Division2025-07-29<![CDATA[<div class="ed_model11 clearfix">
<div class="ed_list02">
<ul>
<li>0XC004F074
<ul>
<li>0XC004F074：The Software Protection Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted. </li>
<li>Check your Internet connection.</li>
<li>you might not pass the NYCU authentication , or the login session just timeout. Be sure to login authentication first and finish operations in 3 minutes.</li>
<li>In order for your connection and activation to be successful , your system timezone setting has to match KMS server. To correct this issue and move forward with your activation: Open <strong>Control Panel</strong> , clicking <strong>Clock, Language, and Region</strong>, and then clicking <strong>Date and Time</strong>. Click <strong>Change time zone</strong> and be sure to set timezone to UTC+8 Taipei.</li>
</ul>
</li>
</ul>
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- <![CDATA[Error code: 0x80070005]]>Consulting and Network Services Division2023-12-12<![CDATA[<div class="ed_model11 clearfix">
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<ul>
<li>0x80070005
<ul>
<li>Access denied. The requested action requires elevated privileges.</li>
<li>User Account Control (UAC) prohibits activation processes from running in a non-elevated command prompt.</li>
<li>Right-click cmd.exe, and then click Run as Administrator.</li>
</ul>
</li>
</ul>
</div>
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- <![CDATA[Error code: 0xC004C008]]>Consulting and Network Services Division2023-12-12<![CDATA[<div class="ed_model11 clearfix">
<div class="ed_list02">
<ul>
<li>error code 0xC004C008
<ul>
<li>0xC004C008：One copy of Windows might have been installed on multiple PCs。</li>
<li>It’s an OEM operating system, not the campus licensing version。</li>
<li>Your computer’s hardware has been changed.</li>
<li>Windows was reinstalled on the same computer.</li>
<li>Your Windows product key was transferred from another computer.</li>
<li>The ‌Windows product key that you’re trying to use has already been used on the maximum number of</li>
<li>computers that your license allows.</li>
<li>If you changed your hardware, reinstalled Windows.<br />
In other case, contact your deller for more support.</li>
</ul>
</li>
</ul>
</div>
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- <![CDATA[Error code: 0xC004F035]]>Consulting and Network Services Division2023-12-12<![CDATA[<div class="ed_model11 clearfix">
<div class="ed_list02">
<ul>
<li>0xC004F035
<ul>
<li>0xC004F035：The Software Protection Service reported that the computer could not be activated with a Volume license product key.</li>
<li>This error indicates that the computer is missing a Windows marker in the BIOS – provided on OEM systems to indicate computers shipping with qualifying editions of Windows, which is a requirement for KMS client activation.</li>
<li>Error: Invalid Volume License Key In order to activate, you need to change your product key to a valid Multiple Activation Key (MAK) or Retail key.</li>
<li>You must have a qualifying operating system license AND a Volume license Windows upgrade license, or a full license for Windows from a retail source.</li>
<li>ANY OTHER INSTALLATION OF THIS SOFTWARE IS IN VIOLATION OF YOUR AGREEMENT AND APPLICABLE COPYRIGHT LAW.</li>
</ul>
</li>
</ul>
</div>
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- <![CDATA[Error code: 0xC004F038]]>Consulting and Network Services Division2023-12-12<![CDATA[<div class="ed_model11 clearfix">
<div class="ed_list02">
<ul>
<li>error code 0xC004F038
<ul>
<li>0xC004F038：The Software Protection Service reported that the computer could not be activated. The count reported by your Key Management Service (KMS) is insufficient. Please contact your system administrator.</li>
<li>The count on the KMS host is not high enough. The KMS count must be ≥5 for Windows Server or ≥25 for Windows client.</li>
<li>More computers are needed in the KMS pool for KMS clients to activate. Run Slmgr.vbs /dli to get the current count on the KMS host.</li>
</ul>
</li>
</ul>
</div>
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- <![CDATA[Error code: 0xC004F039]]>Consulting and Network Services Division2023-12-12<![CDATA[<div class="ed_model11 clearfix">
<div class="ed_list02">
<ul>
<li>0xC004F039
<ul>
<li>0xC004F039：The Software Protection Service reported that the computer could not be activated. The Key Management Service (KMS) is not enabled.</li>
<li>This error occurs when a KMS request is not answered.</li>
<li>Troubleshoot the network connection between the KMS host and the client. Make sure that TCP port 1688 (default) is not blocked by a firewall or otherwise filtered.</li>
</ul>
</li>
</ul>
</div>
</div>]]><![CDATA[]]>
- <![CDATA[Error code: 0xC004F06C]]>Consulting and Network Services Division2023-12-12<![CDATA[<div class="ed_model11 clearfix">
<div class="ed_list02">
<ul>
<li>0xC004F06C
<ul>
<li>0xC004F06C：The Software Protection Service reported that the computer could not be activated. The Key Management Service (KMS) determined that the request timestamp is invalid.</li>
<li>The system time on the client computer is too different from the time on the KMS host.</li>
<li>Time sync is important to system and network security for a variety of reasons. Fix this issue by changing the system time on the client to sync with the KMS. Use of a Network Time Protocol (NTP) time source or Active Directory Domain Services for time synchronization is recommended. This issue uses UTP time and is independent of Time Zone selection.</li>
</ul>
</li>
</ul>
</div>
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