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About this blog

Remarks from a Cloud Architect daily encounters

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Move mailbox to Exchange Online from Exchange 2013

To move a mailbox to Exchange Online from Exchange 2013 first connect Windows PowerShell to Exchange Online with a Global Administrator:   $UserCredential = Get-Credential $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/-Credential $UserCredential -Authentication Basic -AllowRedirection Import-PSSession $Session Provide the on-premise administrator credential   Then connect to the local Exchange 2013:   Run $Rem

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Manage Office 365 password expiration

1. Check if the password is set to never expire for one user:   Get-MSOLUser -UserPrincipalName username | Select PasswordNeverExpires   2. Check if the password is set to never expire for all users:   Get-MSOLUser | Select UserPrincipalName, PasswordNeverExpires   3. Check if the password is set to never expire for a list of users:   create a txt file listing the required users, line by line with title “username”, and save it as c:\pwdexpire.txt, like this:   username testuser1 test

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Exchange 2013 & Exchange Online, Grand Full Access to Mailboxes

You can easily provide Full Access Permissions using the GUI, just Edit the mailbox you want, go to Mailbox Delegation and provide Full Access. Both Exchange 2013 and Online is the same. But if you have to provide Full Access massively then you need PowerShell.   The command for a single user is: Add-MailboxPermission -Identity "employee" -User "manager" -AccessRights FullAccess with that command user “manager” will be granded with Full Access permissions to user “employee”   Now lets see

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Alter the Office 365 DirSync Schedule

The DirSync by default runs every three hours. And you will realized that there is no GUI way to change that. To change the sync interval we need to change a configuration file. 1. Go to the below directory on your DirSync Server: C:\Program Files\WindowsAzureActiveDirectorySync (there are two similar directories, one with spaces between the words and one without. We want the one without spaces) Here we will find the main executable of the DirSync Scheduler, the “Microsoft.Online.DirSync.Schedul

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Exchange 2007/2010 Hybrid Deployment & Migrating to Office 365

Αυτό το post είναι οι σημειώσεις μου από διάφορα migrations Exchange 2007 & 2010 σε Office 365 Hybrid Deployment. Για Exchange 2013 είναι σχεδόν το ίδιο, αλλά αρκετά πιο εύκολο! Όπως είπα είναι οι σημειώσει μου μαζί με διάφορες προσθέσεις από διάφορα blogs, κάτι σαν Checklist και όχι Tytorial ή Guide.   1. Τι χρειάζεται: 2 x ADFS NLB (for identity federation) 2 x ADFS Proxy Servers NLB (for identity federation) 1 x domain member server for DIrSync 1 x SQL 2008 R2 server that will store the

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Exchange Calendar Permissions using Powershell

This is a fast way to manage Calendar permissions of a mailbox. Same commands are for both Exchange on-premises and Exchange Online (Office 365). For Exchange Online first connect Powershell to Office365, as described to previous posts.   # To check current permissions Get-MailboxFolderPermission -Identity "[email protected]":\calendar # To add calendar permissions, permission can be Editor,Reviewer,Author etc Add-MailboxFolderPermission -Identity "[email protected]":\calendar -User "mana

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Lync Server Cookbook | Packt

Today I received my copy of the Lync Server Cookbook, from Packt Publications. I am one of the reviewers of the book.     The link to the book is: https://www.packtpub.com/networking-and-servers/lync-server-2013-cookbook   http://www.e-apostolidis.gr/everything/lync-server-cookbook-packt/

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Puppet On Azure | Βήμα 3, Προσθήκη Windows Agent

Puppet On Azure Προσθήκη Windows Agent Βήμα 1 Δημιουργία Windows VM Δημιουργούμε ένα Virtual Machine, από το Azure Management Portal πάμε στα Virtual Machines, πατάμε New και πατάμε «From Gallery” Διαλέγουμε Windows Server 2012 R2 Datacenter Δίνουμε όνομα, για το Lab: “puppetslave03”, size ένα A0, username & password Στην επόμενη οθόνη επιλέγουμε το ίδιο Cloud Service, Virtual Network & Storage Account, τέλος αλλάζουμε τις public Ports του RDP & PowerShell (για ασφάλεια) και πατάμ

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Puppet On Azure | Βήμα 4, Puppet Automation

Puppet On Azure Puppet Automation – Δημιουργία αρχείου στους Servers που κάνουμε Manage Έχουμε εγκαταστήσει το Puppet και τους Agents, τώρα είναι η ώρα να δούμε ένα test automation. Παράδειγμα «Δημιουργία αρχείου» Στον Puppet Master τρέχουμε: nano /etc/puppet/manifests/site.pp και δίνουμε όνομα του αρχείου και το path το security “mode” και το περιεχόμενο του αρχείου ”content” Και το σώζουμε Τώρα πάμε στον Slave να δούμε το αρχείο. Μπορούμε να περιμένουμε μισή ώρα μέχρι να κάνει request ο agen

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Puppet On Azure | Βήμα 5, FOREMAN

Puppet On Azure Εγκατάσταση & Παραμετροποίηση του FOREMAN για να έχουμε γραφικό περιβάλλον μέσω WEB Το Open Puppet δεν έχει γραφικό περιβάλλον στην βασική του εγκατάσταση. Υπάρχουν μερικά open source προγράμματα τα οποία μπορούν να προτεθούν στο Puppet Master και να μας προσφέρουν γραφικό περιβάλλον. Ένα από τα καλύτερα είναι το Foreman. Με το Foreman μπορούμε να διαχειριστούμε το Puppet πλήρως. Το Dashboard του Foreman: Εγκατάσταση: Συνδεόμαστε στο Puppet Master με SSH, κάνουμε login και

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SQL Failover Cluster with AlwaysOn Availability Groups

SQL Failover Cluster with AlwaysOn Availability Groups Η ιδέα είναι να έχουμε ένα SQL Flailover Cluster στο Primary Site και στο υπάρχον Cluster να προσθέσουμε ένα AlwaysOn Availability group για το DR. Λόγο του μεγέθους της υλοποίησης θα γίνει τρία Posts. Ένα το Failover Cluster, ένα η εγκατάσταση της SQL σε Failover Clster και ένα η υλοποίηση του AlwaysON Availability Groups. Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3 (Page 1, Page 2) Microsoft SQL 2012 on Failover Cluster (Pa

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Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3 (Page 2)

SQL Failover Cluster with AlwaysOn Availability Groups   Η ιδέα είναι να έχουμε ένα SQL Flailover Cluster στο Primary Site και στο υπάρχον Cluster να προσθέσουμε ένα AlwaysOn Availability group για το DR. Λόγο του μεγέθους της υλοποίησης θα γίνει τρία Posts. Ένα το Failover Cluster, ένα η εγκατάσταση της SQL σε Failover Clster και ένα η υλοποίηση του AlwaysON Availability Groups. Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3 (Page 1, Page 2) Microsoft SQL 2012 on Failover Cluster

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Spin up Azure HDInsight clusters on demand

Spin up Azure HDInsight clusters on demand This is my Global AI Bootcamp, Athens 2019 Presentation with title: Spin up HDInsight clusters on demand for ETL, IoT, Data Science & Machine Learning At my presentation I explained with a hands-on demo, how to use Azure Data Factory to spin up on-demand Azure HDInsight clusters to make a process and automatically delete them once they provide the result. Download the PowerPoint Presentation:  download link And watch the Demo: The post Spin

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Azure Client VPN using Azure AD & MFA

Azure Virtual Network Gateway provides the ability to connect to your Azure Virtual Network with Azure Client VPN (SSL) connections using your Azure AD or hybrid identity, with Multi Factor Authentication (MFA) and your Conditional Access policies. We can have an Enterprise grade SSL VPN, with Active Directory authentication and Single Sign on (SSO) from your corporate laptops and apply all your conditional access policies, like MFA, Compliance devices, trused locations, etc. How to cr

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Global AI Bootcamp, Athens 2019

Global AI Bootcamp, Athens 2019 December 14, 2019 we proudly carried out the Global AI Bootcamp, Athens 2019! IT was a day full of AI and Microsoft Azure. The Global AI Bootcamp is a free one-day event organized across the world by local communities that are passionate about artificial intelligence on Microsoft Azure. After all preparations with the assistance of Stoiximan.gr, our sponsor, the day begun at Athinais Cultural Center, at Athens, Greece. From early morning our sponsor was there wi

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Excited to be speaking at Microsoft Ignite The Tour in Milan!

Excited to be speaking at Microsoft Ignite The Tour in Milan on Jan 27-28. Join me to learn how to use Azure Platform As A Service (PaaS) to design your apps with Elasticity, Resiliency & High Availability and how to Accelerate your web applications with the Azure Front Door Service. IT industry-leading conference is going to Milan. Don’t miss the very latest in cloud technologies and developer tools with guest speakers, industry experts, and more. I will deliver two sessions:

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Compliance Report using Azure Policy

Compliance Report using Azure Policy Azure Policy is a powerful tool for Azure Governance. With Azure Policy we can define rules for all Azure Subscriptions the we manage. We can use this rules for simple limitation actions, like permitting only specific VM Series and Sizes that can be created and also more complex rule sets that helps you standardize the whole Azure deployment. At my previous posts, we learned How to limit the Azure VM Sizes and How to enforce tags for resources creation

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