We had a backup server's hardware fail & take out one of our secondary domain controllers with it. The failed dc is a writable Windows Server 2008 R2 but with no FSMO roles attached to it. The hardware has been fixed but the secondary dc has been offline for 26 days now. Is it safe to bring back online without any consequences?
Both our Primary (Windows Server 2012 R2) and two other secondary's (Windows Server 2012 R2 & Windows Server 2008 R2) have remained online during this time frame and our functioning correctly.