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TY - UNPB AU - Kayran, D. ED - Ramberger, Suitbert ED - Draper, Mick ED - Schaa, Volker RW TI - Lessons Learned From BNL ERL Test Facility J2 - Proc. of ERL2017, Geneva, Switzerland, June 18-23, 2017 C1 - Geneva, Switzerland T2 - ICFA Advanced Beam Dynamics Workshop T3 - 59 LA - english AB - First photocurrent from ERL SRF gun at BNL has been delivered in November 2014. In June 2015 a high charge 0.5nC and 20 uA average current were demonstrated. In July 2015 the gun to dump beam test started. The beam was successfully transported from the SRF gun through the injection system, then through the linac to the beam dump. All ERL loop components have been installed. In October 2015, the SRF gun cavity has been found contaminated during severe cathode stalk RF conditioning. This cavity has been sent for repair and modification for later use in the low-energy RHIC electron cooler (LEReC). LEReC scheduled to start commissioning in early of 2018 [1]. We present our results of BNL ERL beam commissioning, the measured beam properties, the operational status, and future prospects. PB - JACoW Publishing CP - Geneva, Switzerland ER -