Monday, May 2, 2022

AXUpdateInstaller FileIOPermission

Microsoft Dynamics 365 for Finance

Got an error while trying to install ISV package using command line:
Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

The reason was that I had downloaded the installation package from the web. Windows automatically blocks zip-files downloaded from web, so you need to unblock it.
Before you unzip your installation files, right click the zip file > properties >

Click 'Unblock' and apply to unblock the zip file. Then unzip and commence with installation.

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