HeLoED
NDR generates when mailto hyperlink, #550 5.4.4 ROUTING.NoConnector ForAddressType Print E-mail
Written by Praveen   
Monday, 13 February 2012 17:56

You may receive NDR something similar to below when sending emails from your Outlook 2007/2010.

' This e-mail address is being protected from spambots. You need JavaScript enabled to view it ' (MAILTO: This e-mail address is being protected from spambots. You need JavaScript enabled to view it ) IMCEAMAILTO-xxx%2B40xxx% This e-mail address is being protected from spambots. You need JavaScript enabled to view it >
A problem occurred and this message couldn't be delivered. Check to be sure the e-mail address is correct. If the problem continues, please contact your helpdesk.
Diagnostic information for administrators:
Generating server: ExHub.ed.local
#550 5.4.4 ROUTING.NoConnectorForAddressType; unable to route for address type ##

If you give a close look, you can see mailto parameter in those emails are creating issues.

When we type an email address inside the square brackets after the Mailto: header, the email address is displayed as an incorrect hyperlink which causes the NDR to generate.

Microsoft has released hotfix for this issue and is available to download here,

Office 2010 - http://support.microsoft.com/kb/2597052

Office 2007 - http://support.microsoft.com/kb/2475888

-Praveen

 

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Last Updated on Monday, 13 February 2012 18:04
 
Offline Address Book (OAB) Versions 2 and 3a rebuild fails due to Missing PDN Print E-mail
Written by Praveen   
Friday, 08 July 2011 01:03

Some of us would have faced the issue that the failure of OAB update in version 2 and 3a due to various issues. Recently I have faced this issues and the resolution was simple when it got resolved, but till then it was really tuff.

Here are the couple events which are logged in the Application event viewer of generating server when the failure happens during the OAB update interval(ensure you enable the dignostic logging at least to medium for troubleshoting this issue).

-----------------------------------------------------------------------------------------------------
Event Type:        Warning
Event Source:    MSExchangeSA
Event Category:                OAL Generator
Event ID:              9341
Date:                     7/6/2011
Time:                     4:28:07 PM
User:                     N/A
Computer:          OAB-HeloED
Description:
The parent Legacy Exchange DN container value '/O=ExhangeDictionary/OU=HeloED/cn=Recipients' was not found during generation of the differential update file for offline address list '\Global Address List'.  This will force clients using this offline address list to do a full download of the offline address list.
- Default Offline Address List
Event Type:        Warning
Event Source:    MSExchangeSA
Event Category:                OAL Generator
Event ID:              9341
Date:                     7/6/2011
Time:                     5:30:14 PM
User:                     N/A
Computer:          OAB-HeloED
Description:
The parent Legacy Exchange DN container value '/o=NT5/ou=E89FD54116DCER4E8C5A3B737229A0AB' was not found during generation of the differential update file for offline address list '\Global Address List'.  This will force clients using this offline address list to do a full download of the offline address list.
- Default Offline Address List
Event ID: 9360
Category: OAL Generator
Source: MSExchangeSA
Type: Error
Date:7/6/2011
Time:5:30:14 PM
Computer: OAB-HeloED
Description:
OALGen encountered an error while generating the changes.oab file for version 2 and 3 differential downloads of address list '\Global Address List'.  The offline address list has not been updated so clients will not be able to download the current set of changes.  Check other logged events to find the cause of this error.
-----------------------------------------------------------------------------------------------------
The above issue happens due the PDN changes. There are few reasons for the PDN changes, some are
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Last Updated on Friday, 08 July 2011 21:42
 
Enable HTTP to HTTPS redirection for OWA access Print E-mail
Written by Praveen   
Monday, 02 May 2011 14:53
I understand that there are so many companies still using the exchange 2003 as their messaging solution and are in process of migration to Exchange 2007 or 2010. There could be chances of rebuilding the servers on various reasons and will have to re-do the OWA URL redirection and other respective tasks. Recently I also had encountered to do the same for one of my Exchange 2003 organizations and thought of sharing you the technical details, because it took me some time to figure out various ways out to do the settings.  I have mentioned 2 sections here; one is to redirect the https://mail.exchangedictionary.com request to https://mail.exchangedictionary.com/exchange. Second section will guide you to configure the HTTP traffic redirection to HTTPS.

Simplify the OWA URL:
The steps below will help you to redirect the HTTPS request that is sent to the root of the Web server to the Exchange virtual directory.
  1. Open IIS Manager, and then navigate to Web Sites/Default Web Site. Right-click Default Web Site; and then click Properties.
  2. Click the Home Directory tab, and then click the A redirection to a URL option.
  3. In Redirect to, type /directory name. For example, to redirect https://server name requests to https://server name/exchange, in Redirect to, type /exchange
  4. In the The client will be sent to: list, select A directory below URL entered.
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Active Directory UserAccountControl Attribute Print E-mail
Written by Praveen   
Thursday, 23 December 2010 12:27

On a day to day work, some or the other time you must have come across the situation where you want to extract the reports like the list of disabled users from Active directory, the list of Active mailbox users in your exchange server etc. Most of us will search for some automated tool to extract the reports. But you do not need any such scripts to extract these reports; the CSVDE command will help you in getting the report.

For e.g. you need the report of all enabled user accounts in your domain, use the below command.

Open command prompt and execute it(note – modify the command with your domain details).

CSVDE -r "(objectClass=user)" -d "dc=ExchangeDictionary,DC=com" -s ExchDicDC01.ExchangeDictionary.com -l displayname,useraccountcontrol  -f c:\UserList.csv

-r :- this place we will give the filter, here I have given the objectClass=user, so the command will only run against the user objects.

-d :- scoping the command, here I have scoped to the entire domain(dc=ExchangeDictionary,DC=com means the domain ExchangeDictionary.com ).  If you want to execute against one OU, you can still do it. Replace this with Ou=”your OU Name”, dc=ExchangeDictionary,DC=com

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Database & Transaction Logs are rapidly growing!!! Critical? Print E-mail
Written by Praveen   
Friday, 17 December 2010 00:48

You must have heard, or may be faced this situation. I thought of sharing a bit of information to you all, may this help you in troubleshooting such issues. Exchange is designed to write all transaction into log files first and then commit to the database whenever system allows. Transaction can be anything, starting from accessing mailbox and moving messages between folders, email sending, receiving and so on. So the increase in transaction log is nothing but the activity performed against the exchange databases. Now let us see the reason for unusual growth in transaction logs, and this results in exchange database increase sometimes. The reasons can be one of the following.

SMTP issues: SMTP issue can be due to the following situation
     NDR Looping
     Spamming
     Increased mail flow
Store issues: This can be due to the following.
     Corrupt mail stuck in the queue.
     3rd party software accessing a particular mailbox
     Misbehaving client, it can be a corrupted profile also.

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