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PowerShell with Exchange Online - After a number of requests to the Exchange Online server, he no longer seems to respond
Hello, I have a PowerShell script that uses an Azure AD account with an Exchange Online license (Plan 1) to connect. The script works as follows: create a loop which, for each security group, retrieves the mailbox addresses (a second loop is performed if…


Message Header.
I have an email sent to multiple user. I have cross checked message id is same for them, which is default behavior. But just want to confirm why we have below 2 differences in the header. For some users : X-MS-Exchange-CrossTenant-FromEntityHeader :…


transcript is not available
I have completed my exam yesterday afternoon its been morethan 24 hours still transcript not available.


Message Header
What is "X-OriginatorOrg" in message header ? If this value is missing in message headers , then what this means?


Query on Room mailboxes
Hi All i have 50 rooms in the below csv format. Some rooms have booking policy, some dont have. i want to remove booking policy if any room has and also i want to unhide the rooms. i want to try the below syntax but i am not sure. please guide…


Archive mailbox is offline in O365
Hi, I tried to run start-managedfolderassistant powershell command for a particular user, however I am getting a warning like below Warning: The user "<email address"> archive mailbox is offline. Please let me know how to resolve…


Message Header
Please help me for below 2 queries. 1.What is the difference between : X-MS-Exchange-CrossTenant-FromEntityHeader HybridOnPrem X-MS-Exchange-CrossTenant-FromEntityHeader Internet 2.Difference…


Outlook downloading mail with just an internet connection
we are in an exchange 2019 hybrid setup with all our mailboxes stored in the cloud We recently discovered that domain joined laptops running Microsoft 365 Outlook program are having their emails download/sync with just an internet connection i.e. with no…


認定資格プロファイルの正式な名を変えたい
名前はQINGQING ZHANFではなく、QINGQING ZHANGです。ご修正いただけますでしょうか?


Graph API calls for on-prem mailboxes failing with API Status code 400 AuthenticationError
We are using the below Graph API request to list mail folders from a mailbox in a hybrid deployment tenant. https://graph.microsoft.com/v1.0/users/mailid/MailFolders/?$top=500 We are seeing we are getting sometimes API HttpError with Status Code 400 and…


How to convert mail enabled security group to Distribution list or M365 group in Exchange online?
How to convert mail enabled security group to Distribution list or M365 group in Exchange online? Is there a way to do this as I checked but did not find any such option.


If we create service account/service principal ? Can it send out an email to distribution list from the app web/website if any failures? if not then what is alternate solution on this?
If we create service account/service principal ? Can it send out an email to distribution list from the app web/website if any failures? if not then what is alternate solution on this?


Error when running hybrid configuration wizard
Hi, I'm experiencing an issue when try to run hybrid configuration wizard as the below screen: no firewall, server connected directly to internet


How to add Mail Enabled Security Group in Outlook client like distribution group or M365 group? Is there a way to do this or not yet?
How to add Mail Enabled Security Group in Outlook client like distribution group or M365 group? Is there a way to do this or not yet?


Exchange Hybrid free / busy not working after changing certificate
Hello everyone, I hope someone can help me with this one, because I have tried everything. We have two Exchange Servers 2016 in DAG and a full Hybrid Setup for a while now. Last week we switched out the main frontend certificate (not the Exchange…
Shared mailbox mapping onto Outlook
Hi, We have a hybrid Exchange setup in our environment, where the authorisation happens in Onprem AD. For a better end user experience we have brought up a process of creating mail-enabled security groups for access management of shared…


The user is either not valid SMTP address
Hi All i have a shared mailbox. i want to give shared mailbox access to one of my users calendar. i am getting error. i dont see any issue with SMTP address. the shared mailbox is created in onprem and migrated to online. Add-MailboxFolderPermission…


o365 Restore a Disabled / Deleted mailbox
A user account was removed from Azure in the past 24 hours so in turn their mailbox was removed automatically. I have not been asked to see if it was to late to recover the mailbox and make it a shared mailbox?


Unable to catch Exception thrown by Connect-ExchangeOnline commandlet
Error Acquiring Token:| System.Exception: Case when Message contains:AADSTS70011 Invalid scope. The scope has to be of the form "https://resourceUrl/.default"Mitigation: change the scope to be as expectedA configuration issue is preventing…


Modern Hybrid agent & Azure app proxy
Hi All, i have successfully installed modern hybrid agent. However, i am getting below error. Failed to download manifest file from CDN because of exception 'The underlying connection was closed, the potential fix could be to disable TLS1.0/1.1 and…

