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7 votes
Accepted

Recover Live.com Custom Domain MX Records

This took many, many, many hours of Google-Fu (about 18 hours, give or take). You have to first log in to your Outlook.com account that you're missing your records on. This must be done on a browser ...
jparnell8839's user avatar
6 votes
Accepted

Outlook Web Access, Exchange 2013, Malware

No, opening the message through OWA wouldn't have any impact on your Exchange database. Are you using any sort of spam filtering solution in your environment? If not, you should be... Basically, you ...
ewwhite's user avatar
  • 198k
5 votes

Emails are constantly marked by Outlook.com as SPAM

Microsoft does more DNS/MX processing than other providers, which might explain your problem. See this SO answer for pointers which might be helpful. Beyond this, you just have to accept that if you'...
EML's user avatar
  • 470
4 votes

Emails are constantly marked by Outlook.com as SPAM

I've been looking into this as I had the same issue and below is a description of what I've been able to determine. Firstly, you should be doing all the things you should be doing anyway as a mail ...
thomasrutter's user avatar
  • 2,596
3 votes

Exchange 2016 OWA URL switching to External URL

I am going to be blunt here. Your design and implementation is flawed. Why are you using two different URLs? I haven't implemented that design for many years, because it confuses the end users and ...
Sembee's user avatar
  • 2,884
2 votes
Accepted

Windows Exchange Logon Hours Restriction

Logon hours restriction isn't going to work with ActiveSync for a number of reasons - the main one being that the client holds open an extended session for many hours and will only re-authenticate ...
Sembee's user avatar
  • 2,884
2 votes
Accepted

Exchange Autodiscover not working 403, but can open Externally

The most reason why you got a invalid SSL certificate during auto discover is the following: The ssl certificate you are using is selfsigned and not trusted externally You are doing any http ...
BastianW's user avatar
  • 2,888
2 votes

Exchange Server 2016 OWA Error 500

Exchange Server 2016 OWA Error 500 can occur due to the common error such as: a) Powershell shortcuts get omitted. b) Virtual Directories c) Missing of Powershell DLL's d) OWA, ECP or Active sync do ...
Robinsan shaw's user avatar
2 votes

Cannot use echoping to monitor OWA login page

The ISA server detects valid browsers and issues a Redirect to the login page when you present what it considers a valid User-Agent string and an "401 Access Forbidden" error when you don't. Compare ...
HBruijn's user avatar
  • 80.7k
2 votes
Accepted

Allows User Login to Exchange OWA On-Prem Using Primary Email Address Instead of UPN

AFAIK, that isn't possible. But you can change the UPN to match the email address with no detrimental effect.
joeqwerty's user avatar
  • 111k
1 vote

Exchange 2016 - Huge ClientAccess OWA & Perm Folders

Based on my research, you could delete files in C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\OWA\Perm, If you see more than one Exchange build number in it, It means that more than one ...
Joy Zhang's user avatar
  • 1,072
1 vote

Exchange 2016 OWA and ActiveSync 503 error

I have done some research, this issue may be related with certificate. Check from IIS to confirm which certificate that used for IIS service(Make sure the bind certificate is correct): Then run ...
Joy Zhang's user avatar
  • 1,072
1 vote

Why mails sent internally, disappear upon arrival?

Check your filters and rules. A filter/rule could be moving the emails to an obsolete folder and thus removing them.
Sturban's user avatar
  • 119
1 vote
Accepted

Do new versions of OWA have an equivalent to the About page of OWA in Exchange 2010

Is there an equivalent with the 2016/2019 version of Outlook on the web? Yep. Normally, we couldn't see the feature About from OWA 2016/2019. To realize it, you could switch your OWA version to the ...
Ivan_Wang's user avatar
  • 1,339
1 vote

Way to closely examine Outlook rules on Exchange server side

As Krackout said, you could use fl and foreach to output the details of all inbox rules. The following commands are for your reference: $mailboxes = Get-Mailbox -RecipientTypeDetails UserMailbox -...
Ivan_Wang's user avatar
  • 1,339
1 vote

Will Deleting the OWA Virtual Directory in ECP Cause any Unintended Consequences?

Will deleting the OWA Directory from the Exchange Admin Center be enough? I tried to remove OWA virtual directory in my test environment with the command “ Remove-OwaVirtualDirectory -Identity “...
Ivan_Wang's user avatar
  • 1,339
1 vote
Accepted

Emails still going to Gmail & Hotmail spam after removing host from several blacklists

Follow the recommendations like Michael suggested in the comments Also for Hotmail you can file a request from this form And for Google you can file a request from this form It's recommended Also if ...
Kerolos William's user avatar
1 vote

Outlook and OWA search not working - no results

Here are some steps you can take to fix Outlook and OWA search: Rebuilding the content index, ensure that the content index state is not only "healthy" but also reflects the correct status ...
Eric Simson's user avatar
1 vote

Outlook and OWA search not working - no results

If you are still now getting helped, again rebuilt a failed content index by stopping the running search services, such as: MS Exchange Search Host Controller – C:>stop-service HostControllerService ...
Robinsan shaw's user avatar
1 vote

Outlook and OWA search not working - no results

First, please ensure the Microsoft Exchange Search and Microsoft Exchange Search Host Controller services are running. Then, after rebuilding the content index state of the database, we can wait for ...
Niko.Cheng's user avatar
1 vote

Exchange 2013. I cannot send email. error: You don't have permission to perform this action

I finally solved the problem. It turns out it really was DNS issue. The hostname my exchange 2013 uses points to a different IP than was intentionally set. After I correct that, I changed back the ...
Aizul W's user avatar
  • 11
1 vote
Accepted

Office365, Outlook on the web and unjunk filter

You will need to configure your SPF record to include the public IP address of the on-premise SMTP relay server. From the link below: Bypasses antispam for Direct send/SMTP Relay: No. Suspicious ...
Noor Khaldi's user avatar
  • 3,879
1 vote
Accepted

Certificate Error since Migrating to new Exchange 2007 Server

You shouldn't be using self signed certificates at all. You haven't configured your new server with the correct names and/or got the DNS configured correctly. If you have moved all of your users ...
Sembee's user avatar
  • 2,884
1 vote

Cannot attach large attachments although server settings would permit that

Although you are attaching a 40 megabyte ASCII file, all email programs will helpfully mime encode all files for you. Even ASCII files.* It doesn't look at the file content because email wasn't ...
Rowan Hawkins's user avatar
1 vote
Accepted

Cannot attach large attachments although server settings would permit that

I mixed my first answer up. Go to Organization Configuration, Hub Transport, Send Connector tab. Right-click your send connector, go to Properties and set the Maximum message size to 55000 on the ...
Jarrod L. J. Gibson's user avatar
1 vote
Accepted

Accessing pst files of a removed mailbox without import

Opening PST from remote location is really not recommended. It would cause serious performance issues. As well as shared mailbox, you can also consider to enable archive mailbox for the mailbox of ...
Sue.J's user avatar
  • 396
1 vote

Access "Exchange Web Services" from Outlook Mobile (failing that, Outlook)?

1# General mobile devices use ActiveSync to connect to Exchange server. 2# No such bridge between different services. 3# Different protocols are for different services. For example, EWS service is ...
Sue.J's user avatar
  • 396
1 vote

Cannot log in to Exchange server from MS Outlook but OWA

Problem solved after properly configured POP, IMAP, SMTP, Virtual Directory and assign a valid SSL cert for these services. Configure IMAP:https://technet.microsoft.com/en-us/library/bb124489(v=exchg....
SpiderlinK's user avatar
1 vote

Cannot log in to Exchange server from MS Outlook but OWA

Based on the info you shared there are currently the following reasons possible: 1.) Make sure that AutoDiscovery is working and that the SCP is configured correctly (see here as starting point). If ...
BastianW's user avatar
  • 2,888
1 vote

Windows Exchange Logon Hours Restriction

Network security: Force logoff when logon hours expire - This disconnects users from any shared folders they are connected to. It does not log them out of their workstation nor does it log them out of ...
joeqwerty's user avatar
  • 111k

Only top scored, non community-wiki answers of a minimum length are eligible