9,668 questions
7,922 questions with Exchange | Exchange Server | Management tags
5 answers
Add a Service Credential pop-up in Outlook Critical issue
A new Microsoft Credential Pop-Up labeled "Add Service" is preventing users from connecting to our On-Prem exchange server. We have On-Prem Microsoft Exchange 2019, and also have Office 365 licenses for each client machine. The "Add a…
Outlook | Windows | Classic Outlook for Windows | For business
Microsoft 365 and Office | Install, redeem, activate | For business | Windows
Exchange | Exchange Server | Management
7,922 questions
Exchange | Other
694 questions
asked 2024-08-19T15:09:20.2866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 80%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECC%3C/text%3E%3C/svg%3E)
Carl Cobon
5
Reputation points
commented 2025-07-02T17:51:35+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(25.6, 50%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECL%3C/text%3E%3C/svg%3E)
Charles Lynskey
0
Reputation points
1 answer
Decrypt STARTTLS SMTP session
Hi there! I have an application that sends email through my mail server (exchange 2016) using AUTH and TLS. Some times this app does something wrong at smtp session level (in SMTP receive logs I see that SMTP session completes with errors). And the…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-07-01T09:02:23.1666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(83.2, 81%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Евгений Котляревский
41
Reputation points
commented 2025-07-02T14:23:52.9033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 61%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETT%3C/text%3E%3C/svg%3E)
TiNo-T
1,665
Reputation points Microsoft External Staff
Moderator
1 answer
Cannot remove old Exchange server
Hello, my company utilizes a hybrid environment with all mailboxes being Office 365 mailboxes. I am currently unable to access the EAC due to a certificate error stating "mismatched address", and "Error Code:…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-07-01T16:47:27.86+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 65%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Chris Melnik
5
Reputation points
commented 2025-07-02T13:27:16.2533333+00:00
Chris Melnik
5
Reputation points
1 answer
Outlook and Exchange 2019 no Automapping with mail of second domain
Hi dear Experts! we have an Exchange Server 2019 and Outlook (365) on the Client. We use a Domain domain1.de for 90% of our mailboxes and a second domain domain2.de for a few mailboxes. Everything worked fine till a couple of month ago. Now, if i give a…
Exchange | Exchange Server | Management
7,922 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 71%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAF%3C/text%3E%3C/svg%3E)
3 answers
One of the answers was accepted by the question author.
Errors Uninstalling Exchange 2013 CU23
We have an Exchange on prem estate consisting of Exchange 2013/2016 in coexistence. All mailflow has been moved onto the Exchange 2016 servers, including EOL hybrid. We've confirmed there is no traffic going through Exchange 2013 anymore, and all…
Exchange | Exchange Server | Management
7,922 questions
asked 2021-11-05T10:04:20.023+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 90%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAG%3C/text%3E%3C/svg%3E)
Andrew Garland
41
Reputation points
edited a comment 2025-07-01T06:21:20.69+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 2%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMU%3C/text%3E%3C/svg%3E)
Matt U
0
Reputation points
1 answer
One of the answers was accepted by the question author.
In-Place Archiving - Read Only Access in Exchange Server 2016
When an In-Place Archive is created for User A, the requirement is for User A to have only Read Only access to their own In-Place Archive. What are the steps to configure In-Place Archiving - Read Only Access for this scenario?
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-26T10:37:56.4666667+00:00
Salim Hurjuk
21
Reputation points
accepted 2025-06-30T08:17:13.66+00:00
Salim Hurjuk
21
Reputation points
1 answer
Cannot send email with Exchange account in Mac Mail. Error says "From address is not one of your addresses" - but it is one of my addresses.
It's been days since I posted a query, and there is NO WAY TO GET TECH HELP on the phone, so this is my only option with MS. I set up my hotmail as an Exchange account on the MacBook Pro. It's enabled and green, and can receive emails, but cannot send.…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-24T18:59:48.9866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(102.4, 91%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJK%3C/text%3E%3C/svg%3E)
Jason Kaufman
0
Reputation points
commented 2025-06-30T01:31:13.26+00:00
TiNo-T
1,665
Reputation points Microsoft External Staff
Moderator
2 answers
Recent Exchange Calendar Sync Issues with iOS Devices, Exchange 2019 & 9646 Errors
Title: Exchange Calendar Sync Failures for some users with ExchangeIS 9646 App Log Errors Details: We have ~ten or so users that have reported calendar sync issues using Exchange On-Prem, iOS Native Calendar and our MDM (Ivanti MobileIron) over the past…
Exchange | Exchange Server | Management
7,922 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 2%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 22%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
3 answers
"HTTP Error 503. The service is unavailable" then browsing to /ECP "exchange 2019"
Hi Migrating from exchange 2016 to 2019. Exchange host 2019: elemsex01 I get "HTTP Error 503. The service is unavailable" when browsing to: Hostname correct certificate: https://elemsex01.corp.elevation.se/ecp/ Local host:…
Exchange | Exchange Server | Management
7,922 questions
asked 2020-11-06T11:44:30.603+00:00
Martin Skorvald
26
Reputation points
commented 2025-06-26T22:06:44.42+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 50%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
TechBuddy
0
Reputation points
1 answer
Exchange activesync issue with specific user
We have face a weird situation, one of the company user face Exchange activesync issue. PC Outlook: No problem and smooth connection iOS and iPad OS device: mail delay, sometime even it cannot sync when new item arrives. But device notification does show…
Exchange | Exchange Server | Management
7,922 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 4%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETK%3C/text%3E%3C/svg%3E)
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2 answers
Unable to Send/Receive Internal External Email
HI Hopefully someone can help with this. We have exchange server 2019 CU 15, when sending email through OWA it sits in drafts. If we use outlook, it goes to sent but is never sent through the exchange server. Both for internal or external recipients. We…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-18T13:09:26.2766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 77%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECV%3C/text%3E%3C/svg%3E)
Craig Vazquez
0
Reputation points
answered 2025-06-25T14:58:41.1233333+00:00
Craig Vazquez
0
Reputation points
5 answers
One of the answers was accepted by the question author.
Server Login
I am having some issues with a server 2019 hosting exchange server 2019. The issue is logging into the 2019 server and should have nothing to do with the exchanges themselves since we can still manage them using ECP, and they seem to be working fine. I…
Exchange | Exchange Server | Management
7,922 questions
Windows for business | Windows Server | User experience | Other
20,212 questions
asked 2022-03-15T18:22:19.053+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 74%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Johnnie Pippin
21
Reputation points
commented 2025-06-23T12:40:36.8266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 39%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHK%3C/text%3E%3C/svg%3E)
Himanshu Kumar
0
Reputation points
1 answer
On reboot to complete Exchange 2016 CU23 install, it failed on step 7, PushNotification already exists.
I tried installing Exchange 2016 CU23, on Server 2016 Standard. It went thru all the prerequisites checks fine, and asked to reboot to complete the installation. But upon reboot, at step 7 the following error occurs: Error: The following error was…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-18T13:36:45.6066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 98%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENS%3C/text%3E%3C/svg%3E)
Nigel Sampath
0
Reputation points
commented 2025-06-23T07:46:06.13+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 69%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Hin-V
815
Reputation points Microsoft External Staff
Moderator
1 answer
I am running exchange 2019 on prem, I want to delete spam email received by over 65 thousand users
"We're operating on Exchange Server 2019 with over 65,000 mailboxes. I'm looking to remove spam emails received across all users in the environment. However, the Search-Mailbox cmdlet has limitations. Could you please advise on how to retrieve and…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-17T13:14:13.8466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 81%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
lletsweletse
0
Reputation points
commented 2025-06-23T07:45:00.6366667+00:00
Hin-V
815
Reputation points Microsoft External Staff
Moderator
0 answers
Receive Connectors and Virtual Directories
Hi, I am currently using Exchange 2016 and have introduced new Exchange 2019 servers. Server01 and Server02 are running Exchange 2016, while Server03 and Server04 are running Exchange 2019.I have set up virtual directories and receive connectors on the…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-21T19:49:29.78+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 7.000000000000001%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGM%3C/text%3E%3C/svg%3E)
Glenn Maxwell
12,876
Reputation points
asked 2025-06-21T19:49:29.78+00:00
Glenn Maxwell
12,876
Reputation points
1 answer
One of the answers was accepted by the question author.
connectivity issue
I am currently running Exchange Server 2016 and have upgraded to Exchange Server 2019 in my lab environment as part of the upgrade process. I plan to move to the Exchange subscription model after the upgrade. My existing environment consists of two…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-20T05:40:52.72+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 72%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERR%3C/text%3E%3C/svg%3E)
Roger Roger
7,181
Reputation points
accepted 2025-06-21T19:27:29.2566667+00:00
Roger Roger
7,181
Reputation points
1 answer
DAG Failover Not Working with 2-Node Exchange Servers 2019 cu15 on server 2025
Hi, I have a Database Availability Group (DAG) configured with two Exchange servers: EMAIL01 and EMAIL02. Everything appears to be set up correctly — both servers are members of the DAG, and the witness server is configured. However, when I shut down one…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-04-14T09:39:13.1233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(166.4, 65%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
parisa moghadam
5
Reputation points
commented 2025-06-19T22:15:45.51+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 6%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGA%3C/text%3E%3C/svg%3E)
Grant Albitz
0
Reputation points
1 answer
Help. We are on the latest CU23 and are still affected with the VULN “Client Access Server Information Disclosure” - “Elevation of Privilege Vulnerability”.
Hello, I originally had an open case with 365 Support as my setup is hybrid, and they referred me to open this case for further assistance. Some background information first. As stated, we are running our Exchange in Hybrid mode, with that in mind…
Exchange | Exchange Server | Management
7,922 questions
asked 2025-06-18T16:36:38.02+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(307.2, 13%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Mark A Przybyszewski
0
Reputation points
edited an answer 2025-06-18T17:33:20.2533333+00:00
Andy David - MVP
157.6K
Reputation points MVP
Volunteer Moderator
1 answer
outlook 2013 is attempting to connect
Hello, our exchange is 2016. We have an email account using outlook 2013 and it will show the prompt "Attempting to connect". Then, after about a minute, it will return to normal and change to "Connected to MICROSOFT EXCHANGE". thank…
Exchange | Exchange Server | Management
7,922 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 66%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(217.60000000000002, 19%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKN%3C/text%3E%3C/svg%3E)
0 answers
This computer is a member of a Database Availability Group
I'm trying to uninstall Exchange Server 2019 which is not a member of DAG and no active database but I still got the error below. Error: This computer is a member of a database availability group (DAG). It must be removed from the DAG before you can…
Exchange | Exchange Server | Management
7,922 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 28.999999999999996%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)