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Article ID: 2285882 - Last Review: July 19, 2010 - Revision: 1.0


When using the System Center Virtual Machine Manager (SCVMM) 2008 R2 console to share an ISO file, the following error may occur:

Error (12700)
VMM cannot complete the Hyper-V operation on the %ServerName; server because of the error: User Account does not have sufficient privilege to open attachment (path to ISO file)
Error: 'General access denied error' (0x80070005).
(Unknown error (0x8001)) 

Recommended Action
Resolve the issue in Hyper-V and then try the operation again.


This issue may occur if the Hyper-V host was unable to read the attributes associated with the SCVMM service account in Active Directory.  For additional information, please see the following KB article:

Some applications and APIs require access to authorization information on account objects (


The resolution depends upon already following the steps to properly configure a shared ISO using SCVMM found on TechNet.  Those instructions should be followed first before implementing the below.

How to Enable Shared ISO Images for Hyper-V Virtual Machines in VMM (

1.       Add the Hyper-V hosts to the "Windows Authorization Access group".
a. Open Actve Directory Users and Computers
b. Select the Built-in container
c. Select the Properties of the Windows Authorization Access group
d. Select the Members tab
e. Add the computer object for the Hyper-V host to this group


How to enable shared ISO images for Hyper-V virtual machines in VMM (
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use ( for other considerations.

  • Microsoft System Center Virtual Machine Manager 2008
  • Microsoft System Center Virtual Machine Manager 2008 R2 Workgroup Edition
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