Unable to open your default e-mail folders. The Microsoft Exchange Server computer is not available. Ether there are network problems or the Microsoft Exchange Server computer is down for maintenance.

Outlook 2000, 2003, 2007 problems
When running Exchange 2003 or Exchange 2007. A Exchange 2007 users can no longer logon their mailbox using MAPI. They can using OWA and if I give another user full mailbox access this user has no problem logging on using MAPI.
Creating a new Outlook 2003 profile gives same error and [...]

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How to Forward email in Exchange 2003 and 2007

For Exchange 2003:
Open the user’s properties under Active Directory Users and Computers.Click on the “Exchange General” tab.

For Exchange 2007
Open Exchange Management Console -> Right Click on a user Properties -> Click Mail Flow Setting -> Select Delivery Options -> Forwarding address

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Share and Use an Attached Contact and Distribution List in Outlook

You can share one or several of your contacts as an attachment in an e-mail message to another person. This allows you to share information with other colleagues. You can also share a Distribution list with another person as well.
This How To gives directions on how to share a single or multiple contacts or distribution [...]

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How to Set up POP3 or IMAP4 e-mail for Smartphone with Exchange 2007

POP is typically carried over TCP port 110, whereas IMAP uses TCP port 143. Both protocols can (and should) be secured with SSL, in which case POP uses port 995 and IMAP uses port 993. The Exchange implementation of both protocols supports several authentication methods, including plain credentials and GSSAPI, which can be used for [...]

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Comparing Two Approaches to Remote Mailbox Access: IMAP vs. POP

POP was designed to support “offline” mail processing. In the offline paradigm, mail is delivered to a (usually shared) server, and a personal computer user periodically invokes a mail “client” program that connects to the server and downloads all of the pending mail to the user’s own machine. Thereafter, all mail processing is local to [...]

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Exchange 2007 OWA Error: Outlook Web Access

The IIS 6.0 Resource Kit Tools can help you administer, secure, and manage IIS.http://www.microsoft.com/downloads/details.aspx?FamilyID=56FC92EE-A71A-4C73-B628-ADE629C89499&displaylang=en
Server Error in ‘/owa‘ Application.——————————————————————————–Runtime Error Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed [...]

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Troubleshooting Microsoft Exchange Server Performance

Having one or more subsystems that are underperforming alters the responses and behaviors of a server. Usually, this means that the server becomes unresponsive or falls below what is considered acceptable operational behavior. This diminished performance puts the service level agreement (SLA) at risk, which ultimately means the organization itself can suffer.This technical article [...]

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Outlook Web Access could not find a mailbox for DOMAIN\IUSR_EXCHANGE.

Restoring the Metabase with History Files (IIS 6.0)
The metabase consists of the following elements:
? MetaBase.xml file. This file stores IIS configuration information that is specific to an installation of IIS.
? MBSchema.xml file. This file contains the metabase schema. The MBSchema.xmlfileis a master configuration file that defines default attributes for all metabase properties and enforces rules [...]

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Microsoft Exchange 2007 – Setting Maximum item size (kb) to a bigger number tips

 

Step 1.Open Exchange Management Console -> Server ConfigurationRight Click on Public Folder Database-> Properties -> LimitsChange Maximum item size (kb) to 76800 for 75MB file size limit from the default 10240 (kb) = 10 MB
Step 2.Open cmdlet shell in your Exchange Server 2007
Note: 10240 KB = 10 MB
1. Set-TransportConfig -MaxReceiveSize 60MB -MaxSendSize 60MBOrganizational limits: These apply [...]

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Exchange Server 2007 Feature Demos

See features in Exchange Server 2007 for yourself: view these demos given by Exchange Server experts. To view these Windows Media demos, you need Microsoft Internet Explorer and the Windows Media Player.
http://www.microsoft.com/exchange/evaluation/demos/default.mspx
Features of Exchange Server 2007
http://www.microsoft.com/exchange/evaluation/features/default.mspx

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How to determine the appropriate page file size for 64-bit versions of Windows Server 2003 or Windows XP

How to calculate page file sizeUse one or more of the following methods to help you calculate page file size.Method 1: Use performance logs to understand the paging activity on your computer

Click Start, point to Administrative Tools, and then click Performance.
Expand Performance Logs and Alerts, click Counter Logs, right-click the blank space in the [...]

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Understanding Direct Push

Direct Push is a feature that is built into Exchange Server 2007. Direct Push is designed to keep a mobile device up-to-date over a cellular network connection. Introduced in Exchange Server 2003 Service Pack 2, Direct Push provides notification to the mobile device when new content is ready to be synchronized to the device. 

http://technet.microsoft.com/en-us/library/aa997252.aspx

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Getting the Most Out of Your Microsoft Exchange Server 2007 Experience with Mobile Devices

Exchange Server 2007’s Mobile Features
First, let’s examine some of the more popular mobile features for Exchange Server 2007:
Direct Push
Compatible devices maintain a secure connection with the server, receiving any new or updated e-mail, calendar items, contacts, or tasks as soon as they arrive on the server.
Search
Searching from a compatible device can access the user’s [...]

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MAIL2WEB LIVE

mail2web LIVE, our free Exchange Email solution goes beyond webmail to provide calendars, task management, contact lists, advanced rules for sorting messages, and even ActiveSync capability.
Sign up for mail2web LIVE

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How to reset system folders in Exchange Server 2003

 
XADM: How to Reset System Folders on an Exchange 2000 Serverhttp://support.microsoft.com/kb/275171/EN-US/
http://support.microsoft.com/default.aspx?kbid=822444
Exchange System Manager:Goto Recipients->Offline Address Lists->Default Offline Address list, right click and select rebuild.

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