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CCC/WNUG Exchange Update May 5, 2005

CCC/WNUG Exchange Update May 5, 2005. Nate Wilken Web and Messaging Applications Information Technology Arizona State University. Exchange Environment Growth 2004-2005. Greater email volume Increased utilization More SPAM 25% more active mailboxes (10,000+) Increased adoption of Exchange

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CCC/WNUG Exchange Update May 5, 2005

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  1. CCC/WNUGExchange UpdateMay 5, 2005 Nate Wilken Web and Messaging Applications Information Technology Arizona State University

  2. Exchange Environment Growth2004-2005 • Greater email volume • Increased utilization • More SPAM • 25% more active mailboxes (10,000+) • Increased adoption of Exchange • Users: 0.2 database disk iops • 500% larger quota (250MB) • 400% larger average mailbox size (65MB)

  3. Infrastructure Improvementshttp://www.asu.edu/mailbox/experformance.htm • Analyze Exchange Infrastructure • Increase storage system performance, capacity, reliability • Increase, upgrade Exchange servers • Document client best practices • Introduce secondary storage (email archiving) • Migrate to Exchange 2003 Server

  4. Analyze Exchange Infrastructure • January, 2005 • Microsoft PSS on-site Exchange Health Check • NetApp Engineering on-site storage performance analysis • February, 2005 • Microsoft PSS on-site Active Directory Health Check • April, 2005 • Microsoft PSS on-site Exchange Health Re-check and client workstation performance analysis

  5. Storage Improvements • June, 2004: Sync-mirroring, clustering enabled • July, 2004: 2TB added (database capacity) • August 2004: 1TB added (log capacity) • November 2004: 2TB added (2 new servers) • February 2005: databases defragmented • March 2005: NetApp 880’s upgraded to 980’s • May 2005: 3TB added (2003, Westex, growth)

  6. Database Disk Write Latency

  7. Server Expansion and Upgrade • October, 2004 - December, 2004 • Increase from 4 to 7 mailbox servers • IBM x335: 2 CPU, 4GB memory • May 2005 • 10 back-end • 2 front-end

  8. Customer Best Practiceshttp://www.asu.edu/mailbox/experformance.htm • Use Outlook 2003 SP1 on Windows XP SP2 • Use Exchange Cached Mode • Check for Outlook updates frequently • Publish less Free/Busy data • Don’t retrieve calendar data in Planner • Use (Auto-)Archiving to reduce mailbox size • Delegates and Owners should use same Outlook version (recommended: OL 2003 SP1) • Home VPN/Outlook users should change router IP range as recommended by IT/CCC

  9. Email ArchivingLate June, 2005 • Automated, policy-controlled archiving to online secondary storage • Old items replaced with shortcut much smaller than original message • Benefits • Seamless customer access to archived content and comprehensive search functionality • Dramatic Exchange server performance improvement • Controlled Exchange database growth • Reduced storage via compression and single-instancing

  10. Exchange 2003 Features • Greatly improved Outlook 2003 and Outlook Web Access performance • OL: Cached mode, MAPI compression, buffer packing, etc. • OWA: gzip compression, reduced page loads, etc. • RPC/HTTP reduces the need for VPN • Improved Outlook Web Access interface and features • Improved Public Folder replication • Improved Distribution List caching and security • Improved manageability and health monitoring

  11. Exchange 2003 + Outlook 2003 • Cached Mode • Creates and uses local copy of mailbox • Consistent user experience regardless of link speeds • Reduces Server and Network Load • Reduce roundtrips, compression • Intelligent Synchronization • Smart Connection Options • High and Low Bandwidth Profiles • Outlook over a slow, latent connection or dial-up

  12. Questions?

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