Conn. Gen. Stat. § 45a-24: (Formerly Sec. 45-9). Validity of orders, judgments and decrees.

Every order, judgment or decree of a court of probate made by a judge who is disqualified shall be valid unless an appeal is taken as hereinafter specified. All orders, judgments and decrees of courts of probate, rendered after notice and from which no appeal is taken, shall be conclusive and shall be entitled to full faith, credit and validity and shall not be subject to collateral attack, except for fraud.