But former permanent secretary Sir Peter Housden said there were 'no indication at any stage' of sexual misconduct.
Alex Salmond's legal team blasts the Scottish Government for providing 'partial and incomplete evidence'.
Thirty civil servants have raised concerns or complaints about ministers since 2010, union chief says.
Permanent secretary Leslie Evans was asked if female staff had been advised not to be alone with the former FM.
Sturgeon was quizzed on the issue at First Minister's Questions as she pledged to fully comply with the Holyrood inquiry.
Permanent secretary Leslie Evans denies harassment policy was 'engineered' to target the former FM.
Scotland's top civil servant Leslie Evans is due to give evidence before MSPs in Tuesday's opening session.
Both Nicola Sturgeon and Alex Salmond will speak to a Holyrood inquiry into the handling of harassment complaints.
Potential witnesses in Holyrood's inquiry include Nicola Sturgeon, her husband Peter Murrell and Alex Salmond.