Line manager has decided to extend my 6 month probation for 3 months.
His reasoning is 'I was given an impossible task' as every other team member left within weeks of me starting and I was 'fire fighting' to cover off their work.
Despite this I have exceeded every objective I was given.
Should I challenge this with HR? Or just keep my head down and focus on impressing him in the next 3 months.
It's been a big blow to my confidence as I thought I was doing really well.