7,799 questions with Exchange Server Management tags

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1 answer One of the answers was accepted by the question author.

Antimalware policy

We have a default antimalware policy that blocks attachments based on their extensions. However, we’ve noticed some unusual behavior. We added .z to the policy, and it unexpectedly started blocking .zip files. However, this issue is not affecting all…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-21T05:45:56.0133333+00:00
Vishnu Anand 205 Reputation points
accepted 2025-02-21T09:16:52.34+00:00
Vishnu Anand 205 Reputation points
1 answer One of the answers was accepted by the question author.

Retrieving the list of any Public IP address sending email to my Exchange Online tenant?

How can I know which other Public IP addresses are still using the MX records or sending emails to my Exchange Online MX records? I need to lock down the email inbound and outbound flow only from a dedicated Anti Spam Filter service I am using the…

Microsoft Exchange Online
Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,238 questions
asked 2025-02-14T04:56:46.91+00:00
EnterpriseArchitect 5,691 Reputation points
commented 2025-02-21T04:38:44.7533333+00:00
EnterpriseArchitect 5,691 Reputation points
2 answers

ADMT Domain Migration and Office365

Hello Folks , I have 3 local AD domain first is a.local second is b.local third is c.local.... c.local is the old domain and they are 500 users on this domain. b.local is the onprem exchange domain and a.local , b.local users use this domain for only…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,769 questions
Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
6,899 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
4,277 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-02T13:44:31.5933333+00:00
Hakan Guzen 0 Reputation points
commented 2025-02-21T02:40:30.54+00:00
Alex Zhang-MSFT 5,300 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Server manager refresh failed and Data retrieval failures occurred of exchange serve

We have exchange server 2019 and windows version 2019. Server manager refresh failed and Data retrieval failures occurred of exchange server. Screenshots are given bellow- ![66322-image.png][1] ![66284-image.png][2] [1]:…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2021-02-10T07:55:41.497+00:00
Md. Mahfuzur Rahman 346 Reputation points
commented 2025-02-20T09:27:58.2766667+00:00
Richard Uraboro 0 Reputation points
1 answer

unable to delete a DL.

Hi All I have a distribution list (DL) in Exchange Online. However, when I search for it in the Exchange Admin Center or Microsoft 365 Admin Center, I cannot find it. I can see the DL in PowerShell, but not in the GUI. Get-EXORecipient -ResultSize…

Microsoft Exchange Online
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,238 questions
asked 2025-02-16T19:15:01.7366667+00:00
Glenn Maxwell 12,336 Reputation points
commented 2025-02-20T08:41:50.48+00:00
Bruce Jing-MSFT 8,640 Reputation points Microsoft Vendor
2 answers

Exchange 2019 CU14 Installation keeps Failing at Mailbox role: client access service

Hello, I'm fairly new to dealing with servers and the world of IT, so please excuse my ignorance if this turns out to be a simple error, although I have done my research. Exchange server keeps failing at mailbox role:client access service, error photo…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
3,914 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-04T09:51:30.9966667+00:00
Maryam 0 Reputation points
commented 2025-02-20T08:39:28.0266667+00:00
Bruce Jing-MSFT 8,640 Reputation points Microsoft Vendor
1 answer

Exchange Server 2019 Default Frontend Connector Received huge Spam request to authentication.

Default Frontend Connector received the Message like that "Hello [106.219.68.200 - random ip address] SIZE 37748736 PIPELINING DSN ENHANCEDSTATUSCODES AUTH NTLM LOGIN X-EXPS GSSAPI NTLM 8BITMIME BINARYMIME CHUNKING SMTPUTF8 XRDST Is it mean that…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-19T05:43:35.84+00:00
IT301 0 Reputation points
answered 2025-02-20T02:56:11.98+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 0 Reputation points Microsoft Vendor
2 answers

unable to install CU

Hi All, I am trying to upgrade Exchange Server 2016 to the latest CU. I am currently on Exchange Server 2016 CU23 Nov23SU and attempting to upgrade to Exchange Server 2016 CU23 Nov24SUv2. However, I am encountering the following error. Please guide me.

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,238 questions
asked 2025-02-16T19:03:42.11+00:00
Glenn Maxwell 12,336 Reputation points
commented 2025-02-20T01:07:55.6+00:00
Alex Zhang-MSFT 5,300 Reputation points Microsoft Vendor
1 answer

DNS is not working

Hello Please i need your help on this issue. One of my customer is having an issue where DNS is not working. We need assistance with their emails working and DNS

Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
4,504 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
asked 2025-02-14T11:22:38.2133333+00:00
John Peter 25 Reputation points
commented 2025-02-20T01:05:13.34+00:00
Alex Zhang-MSFT 5,300 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

How to repair a corrupted Public Folder (on-prem)

Hello guys, Hope all is well. In our Exchange 2019 environment we use Public Folders extensively. Everything seems ok except one of folders that looks corrupted. I can execute commands Get-PublicFolder / Set-PublicFolder against it, I can get its items…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-19T00:06:29.71+00:00
StefanoC 60 Reputation points
accepted 2025-02-20T00:04:52.64+00:00
StefanoC 60 Reputation points
4 answers

SQL Server bulk email issue.

There is a requirement to send the notification emails on every 1st and 2nd working day of every month to all the concerned users. Since we have SQL Server as our database, we are using SQL database mail to send the mails, which is connected with smtp…

SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
14,490 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Transact-SQL
Transact-SQL
A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions.
4,690 questions
asked 2021-05-03T08:29:26.623+00:00
utsav mistry 1 Reputation point
answered 2025-02-19T15:57:16.3033333+00:00
Ramesh Donagam 0 Reputation points
3 answers

OOF messages gets droppend with 250 2.1.5 RESOLVER.OOF.ExtToInt; handled external OOF addressed to internal recipient}

We have a hybrid setup where the the on-prem AllowedOOFType is set to External on all domains and IsInternal is set to $true. In ExO the AllowedOOFType is also set to External and IsInternal is set to $false. Also AutoReplyEnable is $true. However all…

Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,238 questions
asked 2024-08-28T08:12:55.07+00:00
Joachim Vadseth 10 Reputation points
commented 2025-02-19T08:07:27.64+00:00
Fink, Carl-Christian 0 Reputation points
2 answers One of the answers was accepted by the question author.

Set AD attribute msExchHideFromAddressLists to TRUE

Sorry for posting another question. I want to hide the mailbox for one specific user in the GAL. I know how to do this on the exchange server, but I noticed in AD there is an attribute msExchHideFromAddressLists that is set to TRUE when you hide…

Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
6,899 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
5,629 questions
asked 2022-07-07T11:51:33.903+00:00
Ingrid 61 Reputation points
commented 2025-02-19T05:14:08.6333333+00:00
Rene Hansen 0 Reputation points
0 answers

Exchange Server 2019 Default Frontend Connector Received a lot of the Spamer request to authentication.

Exchange Server 2019 Default Frontend Connector received a lot of the internet request for the authentication. The log showed this message "Hello [Random IP] SIZE 37748736 PIPELINING DSN ENHANCEDSTATUSCODES AUTH NTLM LOGIN X-EXPS GSSAPI NTLM…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-19T04:11:38.2866667+00:00
IT301 0 Reputation points
1 answer

Question about on premise exchange to the cloud

Hi, I'm hosting an exchange server with 150 mailboxes with 20 different clients. I've done in the past exchange migrations to 365 with minimal hybrid but it is out of the question here. I cannot do AAD sync - because you cannot do it 20 times (20…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-09T16:41:01.49+00:00
sharon mutzafi 26 Reputation points
commented 2025-02-19T02:35:16.9566667+00:00
Xintao Qiao-MSFT 6,425 Reputation points Microsoft Vendor
0 answers

Create a global calendar that shows room reservations and staff comitments.

I am trying to create a global calendar that allows and shows "All Company" members reserved rooms, workspaces, and equipment. So we have a master calendar for the facility. I keep running into blind alleys. For example, why did MSFT deprecate…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,769 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,504 questions
SharePoint
SharePoint
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
11,232 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-17T21:12:35.6833333+00:00
Admin (HolyTrinitywc.org) 0 Reputation points
commented 2025-02-19T02:30:43.2066667+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 0 Reputation points Microsoft Vendor
1 answer

How is the default language/timezone is decided for Shared Mailboxes?

Hello, For User Mailboxes, the use is prompted when they sign in for the first time to OWA to decide their language and time zone. This decides the language they have for their Default folders (Inbox, Spam...) When they use Outlook Desktop, I assume…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
568 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,238 questions
asked 2025-02-12T13:45:17.5833333+00:00
Said A 901 Reputation points
commented 2025-02-19T01:29:44.5366667+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 0 Reputation points Microsoft Vendor
1 answer

Re-install Exchange 2016 after system corruption

Hi All, Before we open a pay-per-incident(s) MS ticket, I thought I'd lob this scenario out to the community. Our sister organization has a lot of technical debt, both hardware and & software. We needed to get them on Exchange Online, and to do…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,238 questions
asked 2025-02-12T16:37:35.8833333+00:00
Mueller, Jim 1 Reputation point
commented 2025-02-19T01:29:11.9466667+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 0 Reputation points Microsoft Vendor
1 answer

On-Prem Error When Editing Cloud Mailboxes

I am having an issue when attempting to edit/add Email Address Types. When I try to edit them in exchange online, I get this error: "Error executing request. The operation on mailbox "x" failed because it's out of the current user's write…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,769 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,758 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-13T20:45:23.9166667+00:00
Connor Zagar 0 Reputation points
commented 2025-02-19T01:26:13.9433333+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 0 Reputation points Microsoft Vendor
1 answer

How to view public folders in a hybrid exchange 2016 config

We have setup a hybrid exchange environment in preparation to migrate out users to office 365. Our test user has been migrated and works with the exception of being able to see the public folders that are currently still visible to on prem users. How…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,799 questions
asked 2025-02-17T15:06:01.5366667+00:00
J.R. Bell 0 Reputation points
commented 2025-02-18T05:44:31.95+00:00
Bruce Jing-MSFT 8,640 Reputation points Microsoft Vendor