[gmx-users] Reg: REMD error

Justin A. Lemkul jalemkul at vt.edu
Fri Jan 20 13:25:46 CET 2012

Rohit Farmer wrote:
> Hi there,
> I am running the REMD and I got the following error
> Fatal error:
> The properties of the 8 systems are all the same, there is nothing to 
> exchange
> can anyone explain me what it is about and what should i do to solve it.

It sounds to me like you're running 8 copies of the same system, rather than 
actually setting up temperature or Hamiltonian differences that will result in 
exchanges.  See:




Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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