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Exchange Server serious vulnerability reported

A Security Researcher named Dirk-jan Mollema has recently discovered a vulnerability that affects Exchange and described a way that this vulnerability can be exploited to allow an attacker to obtain escalated privileges. The attack relies on two key components to be successful. Firstly by using a man-in-the-middle attack method against an Exchange Server to perform an NTLM relay attack ( an attacker intercepting the authentication process). This in itself isn’t actually an real Exch

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How to find who plays with Exchange Objects

One of the audit tasks that you may need to do while your operation on exchange server is how to find out by whom and when an Exchange Object was Created, Modified, or deleted mainly for troubleshooting purposes. You can easily do that using exchange management shell: Search-AdminAuditLog -ObjectIds “ObjectName” –StartDate  (date) –EndDate (date) Note: The ObjectIds parameter accepts a variety of objects, such as mailbox aliases, Send connector names, and so on. If you want to specify more

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Exchange 2019 preferred architecture released!

Microsoft Exchange Team has released the official Exchange 2019 preferred architecture (PA) document. The document is updated with the new features of Exchange 2019 including the brand-new MetaCache Database (MCDB) feature and the increase in physical cores and memory limits. As always the document is a must for every admin that wishes to proceed to Exchange 2019 . You can donwload the document here.   Happy Reading!!!

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How to create Office 365 Signatures wite ease

Hello to all. Recently i stumbled in client request asking if there is a way  to centrally configure Signatures for the employees without the need of a 3rd party tool. Fortunately there is an easy way in Office 365 to do this. Here is how : 1) First of All you need to create a Transport Rule in EAC and choose to Build a Custom Rule 2) Then you need to define the disclaimer text to be included in the rule. The trick here that you can use HTML Tags therefore have fields that will be replace acc

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Disk gets full while migrating to Exchange 2016

A common issue when migrating to a new exchange version is the exhaustion of the log space resulting migration failures. Of course you can not simply go and delete those files because this will lead to more problems than the original one. One migitation to this problem is to run a full backup in order to clear the files and release the space.The other way is to enable circular logging which can be done before you start the migration in order to prevent the problem from happening in the first pl

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Exchange Server 2019 Now Available

Just now Exchange Product Group announced the availability of the long-awaited Exchange 2019!!!!. There are several new and exciting features in this release and its the first time that Microsoft recommends install into Server Core!!!. Here are some of the new features: 1) Exchange Server can use up to 48 processor cores and 256GB of RAM. 2) Dual storage read/write capabilities to Exchange Server 2019 using Solid State Drive (SSD) technology to provide a super-fast cache of key data for impr

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Exchange 2013 Management Pack Update!

<p>Σήμερα έγινε διαθέσιμη μια ενημερωμένη έκδοση για το Management Pack του System Center Operations Manager του Exchange Servεr 2013. Η ενημέρωση αυτή προσφέρει πολλές και νέες δυνατότητες ανάλυσης και διάγνωσης της κατάστασης και της απόδοσης του Exchange Server καθώς και μια πληθώρα νέων γραφημάτων.</p> <p>Το καινούργιο Management Pack μπορείτε να το κατεβάσετε από <a href="//www.microsoft.com/en-us/download/details.aspx?id=39039">εδώ</a></p><br />Fi

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Update Rollup 14 for Exchange Server 2007 Service Pack 3

Μόλις έγινε διαθέσιμο το Exchange Server 2007 Service Pack 3 Update Rollup 14. Περιλαμβάνει αρκετές διορθώσεις και βελτιώσεις σε κάποια προσφάτως παρατηρημένα προβλήματα. Μπορείτε να το κατεβάσετε απο εδώ Filed under: Uncategorized   Source

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Update Rollup 7 for Exchange Server 2010 Service Pack 3

Μόλις έγινε διαθέσιμο το Exchange Server 2010 Service Pack 3 Update Rollup 7. Περιλαμβάνει αρκετές διορθώσεις και βελτιώσεις σε κάποια προσφάτως παρατηρημένα προβλήματα. Μπορείτε να το κατεβάσετε απο εδώ Ενδεικτικά κάποιες βελτιώσεις – διορθώσεις: 2983261 “HTTP 400 – Bad Request” error when you open a shared mailbox in Outlook Web App in an Exchange Server 2010 environment 2982873 Outlook Web App logon times out in an Exchange Server 2010 environment 2980300 Event 4999 is logged wh

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Cumulative Update 6 for Exchange Server 2013

Μόλις έγινε διαθέσιμο το Exchange Server 2013 Cumulative Update 5. Περιλαμβάνει αρκετές διορθώσεις και βελτιώσεις σε κάποια προσφάτως παρατηρημένα προβλήματα. Μπορείτε να το κατεβάσετε απο εδώ Ενδεικτικά κάποιες βελτιώσεις – διορθώσεις: 2991934 Duplicate mailbox folders after migration to Exchange Server 2013 2988229 Hybrid Configuration wizard error “Subtask CheckPrereqs execution failed” for Exchange Server 2013 2986779 EMS takes a long time to execute the first command in an Exch

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Microsoft Exchange Server 2013 Help–Updated!!!!

Πρόσφατα έγινε διαθέσιμο το ενημερωμένο help file του Exchange Server που περιλαμβάνει της διορθώσεις και τις αλλαγές μέχρι το Cumulative Update 5. Το help file είναι διαθέσιμο εδώ Filed under: Exchange, Exchange 2013, News Tagged: Exchange News   Source

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Exchange 2013 Server Role Requirements Calculator Update

Διαθέσιμη έγινε μόλις τώρα η ενημέρωμενη έκδοση του εργαλείου που ενσωματώνει τις τελευταίες αλλαγές μετά τις αναβαθμίσεις στον Exchange που έγιναν πρόσφατα. Μπορείτε να τον κατεβάσετε από εδώ Ενδεικτικά οι αλλαγές που έχουν γίνει:Version 6.3 Fixed Backup Requirements calculations to include greater than 50 databases. Added additional processor core support. Fixed the number of database volumes calculation when disk count is specified. Fixed the database size calculation for A/P scenari

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Exchange 2013 Platform Options Poster Published!!!

Για τους επαγγελματίες που σχεδίαζουν λύσεις σε πλατφόρμα Exchange Server 2013. Το product group του Exchange Server έκανε διαθέσιμο ένα Poster που παρουσιάζει όλες τις πιθανές περιπτώσεις που θα κληθούμε να σχεδιάσουμε – υλοποιήσουμε. Το poster είναι διαθέσιμο στο technet. Filed under: Uncategorized   Source

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Exchange Server 2013 Cumulative Update 5

Μόλις έγινε διαθέσιμο το Exchange Server 2013 Cumulative Update 5. Περιλαμβάνει αρκετές διορθώσεις και βελτιώσεις σε κάποια προσφάτως παρατηρημένα προβλήματα. Μπορείτε να το κατεβάσετε απο εδώ Ενδεικτικά κάποιες βελτιώσεις – διορθώσεις: 2963590 Message routing latency if IPv6 is enabled in Exchange Server 2013 2963566 Outlook Web App accessibility improvement for UI appearance in Exchange Server 2013 2962439 You cannot sync contacts or tasks in Microsoft CRM client for Outlook in

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Update Rollup 6 for Exchange 2010 Service Pack 3

Μόλις έγινε διαθέσιμο το Exchange Server 2010 Service Pack 3 Update Rollup 6. Περιλαμβάνει αρκετές διορθώσεις και βελτιώσεις σε κάποια προσφάτως παρατηρημένα προβλήματα. Μπορείτε να το κατεβάσετε απο εδώ Ενδεικτικά κάποιες βελτιώσεις – διορθώσεις: 2960652 Organizer name and meeting status field can be changed by EAS clients in an Exchange Server 2010 environment 2957762 “A folder with same name already exists” error when you rename an Outlook folder in an Exchange Server 2010 enviro

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Office 365 uses Content Delivery Networks!

Όπως έγινε γνωστό το Office 365 χρησιμοποιεί για την εξυπηρέτηση των χρηστών του τα λεγόμενα CDN ή Content Delivery Networks. Το πλεονλεκτημα της χρήσης ενός τέτοιου αποκεντρωμένου δικτύου είναι η δυνατότητα και η ταχύτητα που προσφέρει στους χρήστες τους να κατεβάζουν το περιεχόμενο που τους ενδιαφέρει γρήγορα και με μεγάλη ταχύτητα. Περισσότερα μπορείτε να διαβάσετε εδώ Filed under: Uncategorized   Source

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The New Exchange Reaches RTM!

Today we reached an important milestone in the development of the new Exchange. Moments ago, the Exchange engineering team signed off on the Release to Manufacturing (RTM) build. This milestone means the coding and testing phase of the project is complete and we are now focused on releasing the new Exchange via multiple distribution channels to our business customers. General availability is planned for the first quarter of 2013. We have a number of programs that provide business customers wi

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Released: Update Rollup 4 for Exchange 2010 Service Pack 2

the Exchange CXP team released Update Rollup 4 for Exchange Server 2010 SP2 to the Download Center. This update contains a number of customer reported and internally found issues. See KB 2706690 Description of Update Rollup 4 for Exchange Server 2010 Service Pack 2 for more details. In particular we would like to specifically call out the following fixes which are included in this release: Note: Some of the following KB articles may not be available at the time of publishing this post. New

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Released: Update Rollup 8 for Exchange 2007 Service Pack 3

This update contains a number of customer reported and internally found issues. See KB 2734323 Description of Update Rollup 8 for Exchange Server 2007 Service Pack 3. In particular we would like to specifically call out the following fixes which are included in this release: Note: Some of the following KB articles may not be available at the time of publishing this post. New updates for August DST - Exchange 2007 – SP3 RU8 2701037 Store.exe crash by strcat_s() to Exchange 2007 2699574 Mic

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Exchange 2013 Installation.

Ήρθε λοιπόν η ώρα να ξεκινήσουμε την εγκατάσταση του Exchange 2013 . Προτού το κάνουμε όμως αυτό ας δούμε κάποια prerequites που απαιτούνται. Ο Exchange μπορεί να εγκατασταθεί στα παρακάτω λειτουργικά: Mailbox and Client Access server roles Windows Server 2012 Windows Server 2008 R2 Standard with SP1 Windows Server 2008 R2 Enterprise with SP1 Windows Server 2008 R2 Datacenter RTM or later Management tools Windows Server 2012 Windows Server 2008 R2 Standard with SP1 Windows

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Exchange 2013 First Look.

Μετά απο μήνες κάτω απο βαρύ πέπλο μυστικότητας η Microsoft αποκάλυψε την Public Beta έκδοση του Exchange 2013. Πολλές και σημαντικές αλλαγές σε όλα τα επίπεδα ενσωματώνοντας παράπονα,feedback και προτάσεις του κόσμου. Ας ξύσουμε λίγο την επιφάνεια παρουσιάζοντας κάποια βασικά πράγματα που θα αναλύσουμε περαιτέρω προχωρόντας στα ενδότερα του server. Αρχιτεκτονική Με την εμφάνιση του Exchange Server 2007 η Microsoft χώρισε τις υπηρεσίες του Exchange Server σε πολλαπλούς ρόλους κυρίως λόγω

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EXCHANGE 2013 IS HEREE!!!

Πριν απο λίγο έγινε διαθέσιμη η έκδοση του Exchange 2013!! . Πολλά μα πολλά καινούργια χαρακτηριστικά έρχονται να μας αλλάξουν τα πάντα...   Stay tuned....   The next version of Exchange enables you to increase user productivity and keep your organization safe, while maintaining the control you need. How to try Office 365 Enterprise Preview Try it | Learn more Exchange Server 2013 Preview Try it Remain in control, online and on-premises Exchange enables you to tailor y

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Exchange Server Deployment Assistant Update for Exchange 2010 SP2 and Office 365 Hybrid Deployments

We're happy to announce that the Exchange Server Deployment Assistant (ExDeploy) has been enhanced to include support for configuring hybrid deployments using Exchange 2010 SP2 and the Hybrid Configuration Wizard. The first in several upcoming scenario additions for configuring hybrid deployments when using the Hybrid Configuration Wizard, this new scenario is for Exchange 2003 organizations interested in maintaining some users on-premises and some users hosted in the cloud by Microsoft Office

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