Throttling Policies and the EWSFindCountLimit

One of my favorite Exchange Web Services (EWS) methods is FindItem, primarily because it was the first Web method I wrote when I joined the EWS team long, long ago. Since then, it has undergone lots of optimizations, feature changes, and so on, to make it what it is today. One of the Exchange 2010…

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Throttling Policies and CPUStartPercent

Throttling policies have this funny parameter called CPUStartPercent. This parameter defines the starting CPU use percentage at which Exchange will begin delaying inbound requests.  EWS, Exchange Active Sync, POP and IMAP honor the CPU Start Percent value in Microsoft Exchange Server 2010. Three (no, five!) things to keep in mind:1. The sampled CPU percent is…

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Budget Snapshots in the IIS Logs

A few components (Outlook Web App, EAS, and EWS) log budget snapshot information to the IIS logs. EWS, notably, includes both a start and an end snapshot. Here is an example of an IIS log entry for EWS (lines are broken up to make it more readable): 2010-03-09 15:15:12 XX.XXX.XX.X POST /ews/Exchange.asmx ;RC:bfe35012-30fd-499e-90d6-552d0ca89fab;Init>>Conn:0,AD:30000/30000/0%,CAS:54000/54000/0%,AB:30000/30000/0%,RPC:36000/36000/0%,FC:1000/0,Hash:14366112,Sub:20/0;SoapAction=m:GetDelegate;Version=1;RpcC=14;RpcL=687;LdapC=0;LdapL=0;End(17156.25ms)>>Conn:3,AD:30000/30000/0%,CAS:54000/36907/28%,AB:30000/30000/0%,RPC:36000/35985/0%,FC:1000/0,Hash:14366112,Sub:20/0;443 Domain\User XX.XX.XXX.XX…

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Exchange Server 2010 SDKs March 2010 Update

I’m pleased to announce that we’ve just posted updates for many of the Exchange 2010 SDKs, and even added a new one! When the SDK team isn’t publishing those massive Exchange Server protocol documents, we spend our time updating the SDKs, and this March we have a great pre-spring bunch of them. Be sure to…

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