All ProQuest resources will be unavailable while maintenance is conducted on the platform between 10:00 p.m., Saturday May 5th and 10:00 a.m., Sunday May 6th, Eastern Time.

Wiley Online which hosts significant UMass Amherst Libraries e-journal and some e-book content, may be unavailable on Saturday, March 24th at 6:00 a.m. for up to 4 hours.

All products on the ProQuest platform will be down for maintenance on Saturday March 17th from 10:00 p.m. until 11:00 a.m. Sunday morning, March 18th.

All databases on the ProQuest platform will be unavailable this weekend, Saturday, February 4th from 10:00 p.m. to Sunday, February 5th at 10:00 a.m. ET.

The BioOne platform for e-journals will be unavailable for maintenance on Friday, 1/13/12 between 6:00 – 10:00 p.m. EST.

The Taylor & Francis platform for e-journals will be unavailable on Friday, 1/3/12 for about 1 hour starting at 6:00 p.m. EST.

The Wiley Online Library platform may experience a service interruption for up to 2 hours starting at 5:00 a.m. on Saturday, 1/14/12.

ScienceDirect will be down for maintenance on Saturday, 1/14/12 from approximately 8:30 a.m. to 9:30 p.m., EST.

Wiley Online Library will be unavailable for scheduled maintenance starting at 5:00 a.m. on Saturday, December 17th. Service should resume within 3 hours.

ProQuest databases will be unavailable from Saturday, December 3, 2011, at 22:00 ET to Sunday, December 4, 2011 at 10:00 ET as ProQuest® will be performing infrastructure maintenance.

ProQuest will be performing infrastructure maintenance between Saturday, 10/22/11 at 10:00 p.m. and Sunday, 10/23/11 at 10:00 a.m., EDT. ProQuest databases will be unavailable for use during that time.

All databases on the ProQuest, Chadwyck-Healey and Illumina platforms will be unavailable due to scheduled maintenance between 10:00 p.m. Saturday, August 20th and 10:00 a.m. on Sunday, August 21st, EDT.