Cardona, P.J.
In satisfaction of a two-count indictment, defendant pleaded guilty to one count of criminal sale of a controlled substance in the third degree and was sentenced, as a second felony offender, to a negotiated prison term of 5 to 10 years. On appeal, defendant contends that County Court erred in accepting his plea of guilty inasmuch as the described facts raised a possible agency defense. Notably, this argument is not preserved for our review since defendant failed to move to withdraw his plea or vacate the judgment of conviction (see, People v. Johnson, 82 N.Y.2d 683;People v. Lopez, 71 N.Y.2d 662, 665). Nevertheless, defendant argues that this record establishes the exception to the preservation rule which applies "[i]n the rare instance where `the defendant's recitation of the facts underlying the crime pleaded to clearly casts significant doubt upon the defendant's guilt or otherwise calls into question the voluntariness of the plea'" (People v. Saitch, 260 A.D.2d 724, 725, lv denied 93 N.Y.2d 1006, quotingPeople v. Lopez, supra, at 666). However, this exception will be invoked only when the trial court fails to probe further to ensure that the defendant's plea is voluntary and the defendant understands the nature of the plea (see, People v. Lopez, supra, at 666).
Here, contrary to defendant's argument, County Court conducted an inquiry into the benefit defendant received from participating in the sale and elicited sufficient facts supporting the conclusion that defendant acted with an "independent desire or inclination to promote the transaction" (People v. Argibay, 45 N.Y.2d 45, 54). Because County Court fulfilled its duty in this regard, defendant may not challenge the sufficiency of his plea on direct appeal (see, People v. Lopez, supra, at 666; People v. Saitch, supra, at 725).
Furthermore, we do not agree with defendant's contention that he was denied the effective assistance of counsel (see, N.Y. Const, art 1, § 6; People v. Baldi, 54 N.Y.2d 137, 147). Defense counsel's purported failure to effectuate defendant's right to testify before the Grand Jury does not, per se, amount to ineffective assistance of counsel (see,People v. Wiggins, 89 N.Y.2d 872, 873) particularly where, as here, "defendant has failed to demonstrate the necessary absence of strategic or other legitimate explanations for counsel's actions" (People v. Richardson, 193 A.D.2d 969, 971, lv denied 82 N.Y.2d 725; see, People v. Brown, 232 A.D.2d 750, 752). Additionally, "[t]he mere fact that different attorneys assisted in the defendant's case at different times does not render their assistance ineffective" (People v. Hayes, 186 A.D.2d 268, 269). In any event, County Court appropriately inquired into defendant's various general criticisms of counsel, as well as his speculative allegations of conflict of interest (see, People v. Smith, 271 A.D.2d 752; People v. Thornton, 167 A.D.2d 935, lv denied 78 N.Y.2d 1082), and we find no reason to disagree with the court's conclusion that the complaints were unsupported in the record.
Crew III, Spain, Carpinello and Rose, JJ., concur.
ORDERED that the judgment is affirmed.