Friday, August 5, 2005:

August 5, 2005 10:00 AM to 6:00 PM - FLPP/LEAD back-end database server move: The CDX FLPP/Lead application will be down during this time.

Friday, August 5, 2005:

August 5, 2005 8:00 PM to August 7, 2005 8:00 AM - Database Version Upgrades: The CDX Node will be unavailable to all users.

Friday, July 29, 2005:

July 29, 2005 8:00 PM to July 31, 2005 8:00 AM - Database Version Upgrades: CDX Web Flows will be unavailable to all CDX Web users. The Exchange Network won't be affected; however, EPA Node exchanges using CDX will be interrupted.

Sunday, May 15, 2005:

May 15, 2005 - System Upgrade/Maintenance: The CDX application server for archives and Gentran process will be unavailable from 06:00 PM to 11:30 PM Sunday night. This will temporarily affect CDX Web back-end archiving processes for all CDX Web data flows. The Exchange Network won't be affected; however, EPA Node exchanges using CDX will be interrupted.

Sunday, May 1, 2005:

May 1, 2005 - System Upgrade/Maintenance: The CDX mail server will be unavailable from 08:00 PM to 11:00 PM Sunday night. This will temporarily affect CDX Web mail functionality and AQS users will be unable to download files from CDX AQS Web during this time.

Friday, March 4, 2005:

March 4, 2005 - System Upgrade/Maintenance: The UCMR Flow will be unavaliable to all CDX Web UCMR users from 05:00 PM to Saturday, March 5, 2005 05:00 PM. This will not affect other CDX Web Flows or EPA Node exchanges using CDX.

Saturday, February 26, 2005:

February 26/27, 2005 - UCMR will be unavailable from 7:00am Saturday 2/26 to 7:00pm Sunday 2/27 due to Oracle upgrade activity.