https://evotec.xyz/categories/exchange/index.atom.xml2023-12-03T16:32:13.0000000ZEvotec Main Websitehttps://evotec.xyz/blog/syncing-global-address-list-gal-to-personal-contacts-and-between-office-365-tenants-with-powershell2023-12-03T16:32:13.0000000Z

Hey there! Today, I wanted to introduce you to one of the small but excellent module I’ve created called the O365Synchronizer. This module focuses on synchronizing contacts and users. If you’ve ever been tasked with synchronizing Global Address Lists (GAL) across different Office 365 tenants or just wanted to sync GAL with user mailboxes so they can access contacts directly on their phones, this tool is for you.

https://evotec.xyz/blog/easy-way-to-send-emails-using-microsoft-graph-api-office-365-with-powershell2022-10-09T13:27:27.0000000Z

When you’re using Office 365 and want to send an email, you have two choices SMTP or Microsoft Graph API, which is a “new” kid on the block. For some time, I’ve used Microsoft Graph exclusively to send emails in favor of SMTP as it’s much easier to manage and generally works over HTTPS. If you type in google “Send email graph API PowerShell,” you will get lots of hits as bloggers, and Microsoft has already covered this topic. It’s even more critical than ever because Basic Authentication is deprecated in Office 365. To help out with the transition, Microsoft even released its PowerShell module. With Send-MgUserMail proposed as a way to send emails via Graph API, you will notice it’s far from being easy & user-friendly. Over two years ago, I released a PowerShell module called Mailozaurr (some people may not like my modules’ naming – but that’s how I roll!). In a blog post, Mailozaurr – New mail toolkit (SMTP, IMAP, POP3) with support for oAuth 2.0 and GraphApi for PowerShell, I’ve shown a basic functionality on how to send emails using SMTP OAuth 2.0 or Graph API, which aims to be drag & drop replacement over Send-MailMessage and is supposed to be as simple as possible to send an email with a low effort and high readability. You can also read on sending emails using Graph API by Tony Redmond in his blog post Moving on from Send-MailMessage: Sending Email from PowerShell using the Graph API.

https://evotec.xyz/blog/creating-visual-indicators-for-spoofed-external-emails-with-powershell2019-03-30T22:28:27.0000000Z

I’ve been managing mail service for users for a lot of years now. I don’t do it daily but I’ve spent my fair share of time analyzing spam emails. Mail vendors are doing what they can fighting spam, but it’s not easy. Each month, each year spam is getting more sophisticated. Spam emails either look like a legit email, or worse someone is targeting your company trying to get them to transfer money into a wrong account. While most of those end up in spam, there are those that come thru. It’s even worse if the company you work with has not implemented SPF or their SPF is configured to soft fail which can’t be treated as spam.

https://evotec.xyz/blog/powershell-changing-exchange-folder-permissions-in-multilanguage-office-365-tenants2019-03-22T18:58:49.0000000Z

One of the tasks I often get when setting up new Office 365 tenant or installing Exchange Servers is to change the visibility of Room Mailboxes or in some cases even standard users. There’s nothing hard about it, and there are plenty of articles about it. It’s just three simple steps.

https://evotec.xyz/blog/bittitan-migrationwiz-the-selected-mailboxes-cannot-be-subscribed2019-02-14T21:10:28.0000000Z

Recently I’m doing yet another migration between Office 365 tenants using Bittitan Migration Wizard. It’s a great tool and takes away a lot of headaches when dealing with the migration of mailboxes or OneDrive data. Unfortunately, like with many blogs on my website I had to hit yet another error. This time error occurred when I tried to assign User Migration Bundle license to users on the Migration Wizard.

https://evotec.xyz/blog/office-365-report-containing-user-information-and-mailbox-usage2019-01-29T15:30:04.0000000Z

Working with Office 365 is my bread and butter in the last few months. I’m a System Architect and I am dropped in multiple projects, both new and old, to fix certain aspect and get out before anyone sees me. One of the common tasks I get is to provide some data about users stored in Office 365.

https://evotec.xyz/blog/outlook-the-primary-account-cannot-be-removed-unless-it-is-the-only-account-in-the-profile2018-11-23T22:39:44.0000000Z

Last few months I’m responsible for the migration of Office 365 to Office 365. While doing so, we came into a situation where users have their old mailbox as Primary Account and new Mailbox as their secondary account. This is a quite common scenario that people are running into and something that is expected. Usually, my recommendation is: Please create a new profile for user and topic is closed. It’s also quite easy to achieve this in an automated way where you delete all profiles and Outlook just goes with autodiscovery adding new account as required. That’s how I have always done this till now. My Client has gone thru setting up 1000+ users with their second account in Outlook and deleting a whole profile, recreating would cause lots of downloading of emails from Office 365 that my Client wanted to avoid.

https://evotec.xyz/blog/microsoft-exchange-420-4-2-0-recipient-deferred-because-there-is-no-mdb2018-11-14T20:41:07.0000000Z

Last few weeks I’m responsible for migrating from Office 365 to Office 365. Part of this migration process is to set up new Exchange 2016 server that will work as relay instead of using IIS server. I’ve setup hybrid, added accepted domains, prepared connectors, but there’s one thing missing. Any time an email is sent via relay to a user that exists on Office 365 and at the same time exists in Active Directory email never gets there.

https://evotec.xyz/blog/bittitan-migrationwiz-users-getting-undergoing-maintenance-message2018-11-13T20:33:34.0000000Z

MigrationWiz from Bittitan is one of the best tools on the market allowing for migration of user mailboxes. Whether it’s a google account, exchange account or IMAP, it will help you out. Last few months I’m part of migration project that is using Bittitan at its core. One of the signature features of this tool is the ability to migrate mailboxes from Office 365 tenant to Office 365 tenant. This is not something that every application can do. Another feature (and something I want to address today) is the ability to ask users for their logins and password to migrate their data from one tenant to another tenant. While in general, you shouldn’t do that and you should use migration accounts with proper permissions sometimes you have no other choice.

https://evotec.xyz/blog/psblacklistchecker-added-discord-support2018-11-03T20:33:45.0000000Z

It’s been less than 24 hours since I’ve released PSBlackListChecker with support, among other improvements, for Microsoft Teams and Slack and I’m now adding Discord to the mix. Discord was a popular request (well not really, just one person asked, but let’s pretend everyone loves PSBlackListChecker so much that they are too shy to ask for feature requests!).

https://evotec.xyz/blog/psblacklistchecker-notifications-to-microsoft-teams-slack-of-blacklisted-ips2018-11-02T21:46:18.0000000Z

If this is the first time you’re reading about this module, it’s simple PowerShell module that allows you to verify…

https://evotec.xyz/blog/no-account-settings-were-returned-from-the-autodiscover-response-microsoft-exchange-20162018-08-16T19:07:01.0000000Z

Recently one of our users reported that after name change she can’t login to Outlook anymore. She can only work…

https://evotec.xyz/blog/microsoft-exchange-approval-assistant-your-message-couldnt-be-delivered-because-delivery-to-this-address-is-restricted-to-authenticated-senders2018-08-16T11:53:44.0000000Z

While not being able to accept or deny messages in hybrid scenario was solved in earlier post, now that people could approve…

https://evotec.xyz/blog/not-able-to-accept-or-deny-messages-sent-to-group-in-exchange-hybrid-scenario2018-08-13T21:27:53.0000000Z

One of the functionalities in Microsoft Exchange for Distribution Groups (or mail-enabled groups for that matter) is ability to setup…

https://evotec.xyz/blog/working-with-windows-events-with-powershell2018-05-28T09:28:21.0000000Z

As you may (and should) know Event Log is your first place to look for explanations on why server/client is…

https://evotec.xyz/blog/monitoring-blacklists-with-powershell-module2018-04-29T20:29:02.0000000Z

I’ve been Exchange Administrator for a longer part of my IT life. As any mail admin (not just Microsoft Exchange) will…

https://evotec.xyz/blog/microsoft-outlook-cannot-start-microsoft-outlook-cannot-open-the-outlook-window2018-03-15T10:17:26.0000000Z

When working on Windows Server 2016 on RDS session one of the users reported he cannot start Outlook. He gets…

https://evotec.xyz/blog/number-emails-failed-processed-gfi-mailessentials2018-02-15T22:03:34.0000000Z

Recently in not really long time one of our Clients reported that GFI Mail Essentials started reporting that a number of…

https://evotec.xyz/blog/office-365-onmicrosoft-com-address-missing-user-synchronized-active-directory2018-01-17T22:31:02.0000000Z

Onmicrosoft.com address is standard email address used by Office 365. While usually Clients tend to use their own domains onmicrosoft.com…

https://evotec.xyz/blog/upgrading-exchange-2013-sp3-rollup-update-18-fails-blank-webpage2017-07-12T20:51:53.0000000Z

Upgrading Exchange 2010 SP3 to Rollup Update 18 is fairly smooth process. This rollup update is part of standard Windows Update…

https://evotec.xyz/blog/office-365-emails-sent-to-office-365-group-from-contain-chinese-characters2017-06-29T13:49:17.0000000Z

Recently I’ve noticed that when I send email to Office 365 group from my iPhone (iOS) standard Mail application and…

https://evotec.xyz/blog/test-mailflow-status-failure-on-exchange-2013-with-gfi-mail-essentials-installed2017-02-19T22:24:23.0000000Z

Our Client has Exchange 2013 with GFI Mail Essentials. Recently Test-Mailflow started failing with no real reason to do so. Servers…

https://evotec.xyz/blog/microsoft-exchange-ou-picker-empty-creating-new-user2016-11-01T11:24:27.0000000Z

We’ve migrated one of our Clients fairly early but recently we got complain that when new user is created from…

https://evotec.xyz/blog/microsoft-exchange-2013-room-doesnt-respond-to-meeting-requests2016-10-23T09:25:36.0000000Z

Our Client’s domain allow external companies to book room resources from their domain not based on Microsoft Exchange. They do…

https://evotec.xyz/blog/suggestions-are-not-provided-because-most-attendees-are-not-available-during-your-working-hours2016-10-22T10:22:31.0000000Z

“Suggestions are not provided because most attendees are not available during your working hours.” – is one of those messages you…

https://evotec.xyz/blog/gfi-mail-essentials-license-counting-explained2016-08-08T20:06:38.0000000Z

If you follow our Technical Hub you may have seen our earlier entry about counting GFI licenses. At that time…

https://evotec.xyz/blog/office-365-parameter-cannot-found-matches-parameter-name-userprincipalname-new-mailbox2016-07-28T11:42:49.0000000Z

Migrating companies from On-Premise setups of Exchange 2010 or Exchange 2013 to cloud Exchange on Office 365 often requires some…

https://evotec.xyz/blog/gfi-mail-essentials-spf-support2016-07-17T15:23:53.0000000Z

Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow…

https://evotec.xyz/blog/gfi-stop-backscatter-spam-using-gfi-mail-essentials2016-07-11T10:44:45.0000000Z

Backscatter spam is relatively new problem in spam. Backscatter (also known as outscatter, misdirected bounces, blowback or collateral spam) is…

https://evotec.xyz/blog/office-365-migrating-mail-office-365-office-365-account2016-07-11T07:13:10.0000000Z

Office 365 is great product. We use it ourselves for our own needs but we also suggest it to our…

https://evotec.xyz/blog/gfi-how-to-move-gfi-mailessential-20-to-different-iis-website2016-03-16T20:16:04.0000000Z

GFI MailEssentials 20 make the installation straight forward pressing Next most of the times and answering basic questions about Microsoft…

https://evotec.xyz/blog/microsoft-exchange-set-address-book-policy-based-group-membership2016-03-04T11:25:21.0000000Z

You may remember our older post how to set address book policy based on group membership. After using this method above…

https://evotec.xyz/blog/exchange-2013-health-mailbox-has-been-corrupted2016-03-01T12:06:32.0000000Z

Health checking your Exchange Environment is important task for any administrator. Specially for that there are special Health Mailboxes created…

https://evotec.xyz/blog/gfi-mail-essentials-20-how-to-count-licenses-for-users2016-02-29T12:42:56.0000000Z

Recently one of our Clients bought 750 licenses for GFI MailEssentials 20. As GFI on their websites claims that only…

https://evotec.xyz/blog/exchange-2013-how-to-add-relay-connector-from-powershell2016-02-25T20:24:20.0000000Z

Adding new receiving connector is standard procedure available via GUI on Exchange 2010 / Exchange 2013 or Exchange 2016. However…

https://evotec.xyz/blog/get-adpermission-the-operation-couldnt-be-performed-because-object2016-02-25T19:50:34.0000000Z

During our recent creation of Relay Receive Connector on Exchange 2013 we’ve encountered an error: The operation couldn’t be performed because object. Since time…

https://evotec.xyz/blog/microsoft-exchange-set-address-book-policy-to-multiple-users-based-on-group-membership2016-01-28T10:33:05.0000000Z

One of the common tasks of Exchange Administrator is to add Exchange Address Book Policy to a user. Depending on needs…

https://evotec.xyz/blog/exchange-2013-grantsendonbehalfto-permission-for-mailbox-overwrites-existing-permissions2016-01-22T11:30:13.0000000Z

Changing Send On Behalf setting in Exchange 2010 / Exchange 2013 or Exchange 2016 is quite simple task that can be easily…

https://evotec.xyz/blog/gfi-mailessentials-20-installation-stuck-on-administrators-email-address2016-01-18T09:34:04.0000000Z

During installation of GFI MailEssentials 20 installation doesn’t go pass entering an Administrator’s email. Pressing NEXT doesn’t do anything and Administrator…

https://evotec.xyz/blog/microsoft-exchange-2013-cu11-readiness-checks-error2016-01-14T21:18:17.0000000Z

During a Readiness Checks of Exchange Server 2013 CU 11 installation, just about 90% into Configuring Prerequisites an error is displayed. One of the…

https://evotec.xyz/blog/microsoft-exchange-connecting-to-remote-server-failed-with-the-following-error-message2015-11-26T17:47:09.0000000Z

Connecting to Microsoft Exchange via PowerShell is a standard administrative tasks since Exchange 2007 was released. It’s available in all…

https://evotec.xyz/blog/exchange-exchange-management-shell-loading-very-slow2015-10-22T12:06:43.0000000Z

As you grow more experienced with Exchange (2007 / 2010 / 2013 or 2016) you get to the point where you…

https://evotec.xyz/blog/exchange-2016-microsoft-has-released-rtm-version-of-exchange2015-10-02T07:00:53.0000000Z

Nearly 3 years after Exchange 2013 was released, new Exchange 2016 is out in the open in Ready To Manufacturing state (RTM). Microsoft Exchange 2016 can be downloaded straight from [Microsoft servers](https://www.microsoft.com/en-us/downloa...

https://evotec.xyz/blog/exchange-2013-too-many-missing-items-permanent-exception-or-too-many-bad-items-permanent-exception-solution2015-09-21T21:19:11.0000000Z

During Microsoft Exchange 2010 to Exchange 2013 Migration one of the steps is to migrated all mailboxes from old servers to new servers. Unfortunately with large number of mailboxes a lot of possible things can go wrong during New-MoveReque...

https://evotec.xyz/blog/exchange-server-2010-service-pack-3-update-rollup-11-sp3-ru11-released2015-09-16T07:05:59.0000000Z

On September 15th Microsoft has released **Exchange Server 2010 Service Pack 3 Update Rollup 11 (SP3 RU11)**. Rollup Update 11 contains the latest set of fixes. Exchange Server 2010 Service Pack 3 Update Rollup 11, is the minimum version of...

https://evotec.xyz/blog/exchange-server-2013-cumulative-update-10-cu10-released2015-09-16T07:00:48.0000000Z

On September 15th Microsoft has released **Exchange Server 2013 CU10**. Cumulative Update 10 contains the latest set of fixes and builds upon Exchange Server 2013 Cumulative Update 9. As a reminder CU releases are full Microsoft Exchange pr...

https://evotec.xyz/blog/exchange-2013-cu9-kb3087126-installation-goes-bad2015-09-15T20:16:32.0000000Z

After installing CU9 on our customers systems and rebooting Windows we usually check for any additional updates that may come…

https://evotec.xyz/blog/exchange-2013-upgrade-service-wmsvc-failed-to-reach-status-running-on-this-server2015-09-15T17:04:16.0000000Z

One of the quarterly tasks that every Exchange administrator should do is to install new Cumulative Update for their Exchange…

https://evotec.xyz/blog/exchange-2013-integration-with-sharepoint-doesnt-work2015-06-14T12:27:50.0000000Z

The steps to integrate new Microsoft Exchange 2013 with SharePoint 2013 are fairly simple. You just need to follow Microsoft Configure…

https://evotec.xyz/blog/exchange-2010-2013-meetings-with-rooms-stopped-working2015-05-25T13:54:09.0000000Z

Our client had a little problem today where after patching of all Exchange 2010 / 2013 servers users started noticing weird issues with…