pSEXEC Error deriving session key: Object already exists. This topic contains 1 reply, has 2 voices, and was last updated by Don Jones 1 year, 3 months ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 24, 2015 at 9:09 am #27863 Stephen BandyParticipant My PS exec used to work for sending commands to remote PC's Now I get the error Error deriving session key: Object already exists. My team mate uses the same build image and tools that I do and his works with out issues . Any ideas hows to clear this error example PS C:\> psexec \\PCLAPTOPW7 net use i: \\SERVER\SHARE PsExec v2.11 – Execute processes remotely Copyright (C) 2001-2014 Mark Russinovich Sysinternals – http://www.sysinternals.com Error deriving session key: Object already exists. PS C:\> July 24, 2015 at 10:13 am #27864 Don JonesKeymaster So, PSEXEC isn't actually PowerShell; it's. SysInternals tool. This might not be the best place to get help for it, although we can see if anyone jumps in with an answer for you. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.