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Hi Microsoft experts. I have a concern like the article here https://practical365.com/removing-premises-exchange-servers-migrating-office-365/, but I don't know if Microsoft has a solution so far for decommissioning on-premises Exchange but still…
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Hi, since this morning 5 am we are not able to send E-mails to office365/Microsoft365 Customers. Our Mails are stuck in our own queue and get the response: host customername.mail.protection.outlook.com 451 4.7.500 Server busy please try again later wit…
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I am running the latest exchange online management module version 3.5.1 and have powershellget 2.2.5 and packagemanagement 1.4.8.1 installed. When I run the Connect-ExchangeOnline cmdlet I get the following error message:
Trying to run Set-OrganizationConfig cmdlet in powershell EXO V3 module returns runtime exception: "unable to find type [uint]". Has anyone had this error before and know of a potential solution? I cannot find anything online to reference…
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I have defined an Azure App with read only permission for unattended script use to monitor and report on Azure AD accounts and Mailboxes (Users and Shared). A script I am working on to facilitate user offboarding is to remove delegated mailbox access for…
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How to sync GAL on Smartphones without manually copying them to the contact list in Outlook?
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Hello, I am the admin of two different 365 tenants. In one tenant (Tenant A), we have 2 room resources. I would like to be able to see those resources and their calendar information to book them from Tenant B. I came across this guide to create an…
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Hi All, I have a distribution list (DL) with the display name "TestA" and the email address TestA@contoso.com. I want to rename the DL display name from "TestA" to "TestB" and change the email address from TestA@contoso.com…
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Hello, I work for a college as an IT Admin, we've been using Microsoft 365, Entra, Exchange online, for students and staff, AD server is on-premise, everything else is with Microsoft 365. Some of Microsoft's IPs that are used with exchange online are…
We have an Exchange 2019 hybrid server for remotely enabling email for AD users and sending outbound emails to our mailbox. Although our users are all AD bound, we directly create some mailboxes (such as shared mailboxes) in EOL/M365 (i.e. without AD…
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Hello Team, I we have created exchange transport rule to encrypt the email, this is working as expected but for few users we see below error when they try to send email, can someone help on this. Rule: Error: Fail | Reason: [{LED=550-5.7.162…
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We migrated service accounts from exchange 2016 on-premises to Exchange online, the issue is that while using SharePoint 2013 on-premises, some notifications get stuck in the queue. There are already connectors in place, so I didn't have to create any.…
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Currently on our Exchange 2016 system there is an iisstart.aspx file. I don't know what it is. Does it affect the system? On the security side of our organization, we suspect it is a webshell attack on the system. Thanks to everyone for help
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Hello, we have a weird issue which seems to affect the whole orgainzation, tenant. If an user does "inline-comment" inside the original text on an email while answering it, a wrong users name is shown, auto-completed. It is about the yellow…
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Lets assume I am the owner of the mailbox "george@example.com" and via the Exchange Online administration I allow the owner of "john@example.com" to send emails as "george@example.com" while I am out of office. Will those…
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I want to implement a way to the manage the mails in a mail box using client credentials flow. I want to retrieve the emails and manage them. Now there are two kind of permissions that I see, MAP.AccessAsUser.All of Graph API and IMAP.AccessAsApp and…
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I have a large tenant with different domains, and having some issues with compromised accounts creating inbox rules and sending to all students phishing emails. Is there any possible way to block the creation of inbox and/or forwarding rules for a…
can't send or receive hotmail emails. it states my mailbox is full however; my onedrive says i only used 1.1 GB out of 5. This has been happening for over a month. Response needs to go to dwiseman5414@gmail.com since my hotmail isn't working
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I have an on-prem AD but have Office 365/Azure/Entra and now I can not go into MS admin and hide from the address list. when I turn on the toggle I get "Could't update mailbox global address list info" See the screenshot below
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Hi All, We are using Exchange Online only With EOP as a mail filtering. we noticed Emails getting received in exchange online without attachment (.pdf,.csv etc). from a particular external sender. We don't have any ETR blocking such extensions. when we…
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