This hotfix will help with the network utilization traffic caused when using Sheet Set Manager (SSM) files with AutoCAD 2012-based products over a SMB (Server Message Block) V2 Network configuration. Consult the readme file for installation instructions. Be sure to install the correct update (32-bit or 64-bit) for your software. Note: You must install AutoCAD 2012 Service Pack 1 before you apply this hotfix. Downloads found in this Knowledge Base document: DL18751298.