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I did see that article too. I am just looking to see if anyone knows for sure what it is and what it is used for. 
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I believe it is used for the HP Printer Utility. &nbsp;Do you have any HP Printers installed? Also you might want to search Program Files for it, You might be able to see who it belongs to.
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I am seeing HPPUDH.exe and HPPU.exe in the proccesses running on my Small Biz server. I am wondering exactly what that is for? One of the instances was consistantly taking up 25% of my CPU. I ended it, to see what would happen, but would like to know what exactly it is. 
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I am seeing HPPUDH.exe and HPPU.exe in the proccesses running on my Small Biz server. I am wondering exactly what that is for? One of the instances was consistantly taking up 25% of my CPU. I ended it, to see what would happen, but would like to know what exactly it is. 

What is HPPUDH.exe?

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).