Could not load file or assembly Microsoft.Dynamics.Nav.Management.dll HRESULT: 0x80131515

Information
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Could not load file or assembly ‘file:///C:\Program Files\Microsoft Dynamics NAV\70\Service\Microsoft.Dynamics.Nav.Management.dll’ or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)
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OK
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Symptoms:
After an update with a new build of Microsoft Dynamics NAV the Microsoft Dynamics NAV Administration tool does not work showing an error message as above.

Solution:

  1. Move the file Microsoft.Dynamics.Nav.Management.dll from the folder
    C:\Program Files\Microsoft Dynamics NAV\70\Service\

    into your Desktop

  2. Right-click on the file, select Properties and in the General tab push the button at the bottom Unblock
  3. Move the file Microsoft.Dynamics.Nav.Management.dll from the Desktop to the original folder
    C:\Program Files\Microsoft Dynamics NAV\70\Service\

Did my solution solve your problem? Leave a comment.

2 Replies to “Could not load file or assembly Microsoft.Dynamics.Nav.Management.dll HRESULT: 0x80131515”

  1. Worked perfectly, thank you. There was just too many blocked programs, i had to download streams.exe and use it.
    But your post pointed me to right direction!

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