Exchange 2013 – Memory (RAM) allocation by the store with an example

First, a reminder of the theory: Exchange store is comprised of 3 services: msexchangerepl.exe = Replication Service Process Microsoft.Exchange.Store.Service.exe = Store Service Process (or Controller) Microsoft.Exchange.Store.Worker.exe = Store Worker Process (1 per DB) •Algorithm will allocate total ESE cache available for all store worker processes based on physical RAM – ~25% of total memory allocated … Continue reading Exchange 2013 – Memory (RAM) allocation by the store with an example

Link + Pasted from Technet – Exchange 2013 (>=CU1) : How does Autoreseed works

First configure Autoreseed for your DAG(s):http://technet.microsoft.com/en-us/library/jj619303.aspxSecond, here is the process, explained by Scott Schnoll:AutoReseed is designed to automatically restore database redundancy after a disk failure by using spare disks that have been provisioned on the system.CU1 includes numerous fixes to AutoReseed, including fixes for issues around AutoReseed not detecting spare disks correctly and AutoReseed not … Continue reading Link + Pasted from Technet – Exchange 2013 (>=CU1) : How does Autoreseed works

Link : Content Transformation Services + Interaction Management Services – CTS – (Business Logic layer in Exchange 2013)

What are CTS and IMS as referred in the Exchange 2013 architecture slides ? (XSO = Exchange Server Object – structure i.e. properties, attributes, methods associated with the the Exchange Server Object into the AD for example) CTS = Content Transformation Services + IMS = Interaction Management Services both part of the FAST search engine, … Continue reading Link : Content Transformation Services + Interaction Management Services – CTS – (Business Logic layer in Exchange 2013)

Bookmark – SMTP NDR CODEs (Technet)

4.3.1Out-of-memory or out-of-disk space condition on the Exchange server. Potentially also means out-of-file handles on IIS.4.3.2Message deleted from a queue by the administrator via the Queue Viewer interface in Exchange System Manager.4.4.1Host not responding. Check network connectivity. If problem persists, an NDR will be issued.4.4.2Connection dropped. Possible temporary network problems.4.4.6Maximum hop count for a message … Continue reading Bookmark – SMTP NDR CODEs (Technet)

How to take Exchange traces and dumps for Microsoft Engineers – Example for STORE and MSExchange Transport components

Prerequisites We’ll use the ExTra.exe (Exchange 2007/2010 only, not available anymore on Exchange 2013) and ProcDump Tools to take traces that will capture the issue. To take memory dump of Store.exe and EdgeTransport.exe for deep code level analysis. Download ProcDump: http://technet.microsoft.com/en-US/sysinternals/dd996900 The instructions Scenario Mails get stuck in some servers, not always the same, but the … Continue reading How to take Exchange traces and dumps for Microsoft Engineers – Example for STORE and MSExchange Transport components

Exchange 2007, 2010, 2013 on Windows 2008 / 2008 R2 – Check TCP Chimney Windows settings and status

Hey,If you ever encounter some messages that takes time to be delivered from HUB servers to Mailbox servers (we call this step "Mapi Submission" or "MAPI Delivery") or even from HUB to another HUB in a remote site, and your network don't have bandwidth or latency or general reliability or other configuration issues such as … Continue reading Exchange 2007, 2010, 2013 on Windows 2008 / 2008 R2 – Check TCP Chimney Windows settings and status