Posted by: SiRu | July 16, 2010

HP ProLiant Server Error: Only one instance of the Array Configuration Utility can be running


Only one instance of the Array Configuration Utility can be running. The Array Configuration Utility is already running as an application on this server. In order to perform this operation, you must first close the existing running ACU.


The instruction at “0x02e13784” referenced memory at “0x00000004”. The memory could not be “read”. Click on OK to terminate the program.

ACU error


Solution to this issue is available in this link

HP released a advisory for this issue.  Click here if you wish to read it.

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This issue usually happens when you use Internet Explorer 8 with Windows 2003 or 2008. To solve the issue we need to install the latest Array configuration Utility (ACU).

The download link of HP Proliant Array Configuration Utility for Windows is provided below. It will work with below said Windows 🙂

Microsoft Windows Server 2003
Microsoft Windows Server 2003 for 64-bit Extended Systems
Microsoft Windows Server 2008 W32
Microsoft Windows Server 2008 x64
Microsoft Windows Server 2008 R2
Windows Vista, XP or Windows 7 (It is supported)!!

Click here to Download the latest Array Configuration Utility (ACU) from HP.

Note: If the issue persists even after installing the above said latest ACU, then the issue is with the Internet Explorer, please open task manager, under process tab  kill/End Task all the iexplore.exe that is running. Then ACU will work for sure 🙂

Please leave a comment if it works, cheers 😉



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