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Found 51313 threads
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0 VotesOutlook security alert
Hi We have an on-site Exchange 2016 server and users are currently using Outlook 2010. Everything works as expected. We have recently added a new leased line with ...Unanswered | 1 Replies | 1309 Views | Created by wha59 - Friday, September 18, 2020 8:05 PM | Last reply by Uke Praise - Friday, September 18, 2020 9:07 PM
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0 Votes
Account not UC enabled
Hi, I am in a Exchange 2013 environment with Skype for Business 2015 on-prem. I am also using Outlook 2016. If I map a shared mailbox (i.e. a mailbox that is actually configured as ... -
0 Votes
Exchange 2013 Cannot add mailbox folder permission.
Hi, From Exchange 2013 with powershell, I try to add "Reviewer" permission for a calendar shared mailbox. I don't have issue to find the mailbox, but ... -
0 Votes
Email deliverability error
Hello We have a problem with email deliverability for our domain name voyage.mutuaide.fr. Emails to Outlook mailboxes ... -
0 Votes
Exchange 2013 rule to blocking add new device
Hi, I need solution to blocking additional user mobile devices, but not block or quarantine existing user mobile devices that has connected to Exchange by using Active-Sync ...Unanswered | 1 Replies | 1786 Views | Created by Bar Kah - Wednesday, August 12, 2020 6:26 PM | Last reply by Bar Kah - Tuesday, August 25, 2020 3:43 AM -
0 Votes
Enable TLS 1.2 on Exchange 2013
Hello there, I enabled the following registry entries on exchange 2013 to enable TLS ...Unanswered | 1 Replies | 2659 Views | Created by channavera - Thursday, August 20, 2020 6:21 AM | Last reply by SethWH - Thursday, August 20, 2020 8:02 AM -
1 Votes
Remote Server returned '554 5.4.108 SMTPSEND.DNS.MxLoopback; DNS records for the next hop domain are configured in a loop -> DnsDomainIsInvalid: InfoMxLoopback'
(my mail server real IP address) autodiscover.xx.xxx.xx --> (my ...Unanswered | 6 Replies | 7037 Views | Created by Hussein Badran - Sunday, February 17, 2019 9:13 AM | Last reply by malak.esa - Sunday, August 9, 2020 7:57 AM -
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Self signed certificate issue
Exchabge 2013 current CU Server 2012R2 My Self signed exchange server certificate expired. I renewed it with no ...Unanswered | 29 Replies | 6300 Views | Created by JohnLenz - Monday, July 6, 2020 7:56 PM | Last reply by JohnLenz - Saturday, August 8, 2020 7:25 PM -
6 Votes
OWA / System.Runtime.Serialization Error, Event 65535
We're seeing this event pop up occasionally in our Exchange 2016 Server event logs: (System.Runtime.Serialization Error, Event 65535) There was an error deserializing the object of type ...Unanswered | 23 Replies | 11153 Views | Created by ablanken - Tuesday, March 29, 2016 4:18 AM | Last reply by Utkasrh Kumar - Saturday, August 8, 2020 6:32 PM -
1 Votes
OWA serialization Error after ex2016->2019 migration
Hi, last week I've installed a new Win/Exch 2019 server. After moving any user/system Mailbox to the new Exchange and adjusted the DNS entries, the following error occurs serval ...Answered | 12 Replies | 5377 Views | Created by Alexander Zirbes - Monday, September 2, 2019 8:49 AM | Last reply by Utkasrh Kumar - Saturday, August 8, 2020 6:29 PM -
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Diagnostic Information for Administrators
I received this message for many undeliverable messages I sent. Can anyone tell me what it (or part of it) means? " Diagnostic ...Unanswered | 6 Replies | 3011 Views | Created by Damned2Hell - Thursday, January 30, 2020 8:57 PM | Last reply by W.David.T - Friday, August 7, 2020 8:29 PM -
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Diagnostic Information
I sent some emails using mail merge. A lot of them came back undeliverable. I'm simply trying to get more messages that state the emails I sent were delivered and read. Here's the diagnostic info from ...Proposed | 7 Replies | 2265 Views | Created by Damned2Hell - Monday, January 27, 2020 3:28 PM | Last reply by W.David.T - Friday, August 7, 2020 8:06 PM -
2 Votes
Problème Installation Exchange 2016 CU 17
Bonjour, Je suis actuellement entrain de déployer un Exchange 2016 CU17 et je rencontre un grosse erreur qui évidemment en entraîne d'autres en ...Unanswered | 19 Replies | 2515 Views | Created by Neiluj 111 - Wednesday, July 1, 2020 2:30 PM | Last reply by Mariette Knap - Friday, August 7, 2020 12:41 PM -
0 Votes
Exchange 2016 OWA Appointment Invitation link IMAP
Hi everyone! We´re right in the move from Exchange 2010 (on prem) to Exchange 2016 (on prem) and I observed the following behavior: If an account (migrated ...Proposed | 21 Replies | 2413 Views | Created by J. Juergen - Tuesday, July 7, 2020 11:23 AM | Last reply by Lucas_ Liu - Friday, August 7, 2020 10:20 AM -
0 Votes
Failed logon attempts for Alternate Service Account
Hello team. I've got an interesting problem where I see event 4625 in the Security Log for my ASA. The failure reason says "Unknown user name or bad password" Environment: ...Proposed | 10 Replies | 2586 Views | Created by Joseph Larrew - Wednesday, July 22, 2020 5:54 PM | Last reply by Lucas_ Liu - Friday, August 7, 2020 10:17 AM -
0 Votes
New MailBox couldn't receive Email
I have Exchange Server 2013 as mailbox Database.My database became dismount and i tried to repair it with "ESEUTIL" and i was successful. after a while i found ...Proposed | 6 Replies | 2390 Views | Created by Hamidreza Akbari - Friday, July 10, 2020 6:35 PM | Last reply by Eric_Yin - Friday, August 7, 2020 8:58 AM -
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Exchange Active sync not working in office 2016.
Hi! We have Exchange server 2016. Whenever I configure outlook by active sync method in Office 2016. It works for few days and starts prompting for password, ...Proposed | 18 Replies | 2164 Views | Created by Shabaz AhmedRx - Tuesday, July 7, 2020 9:44 AM | Last reply by Eric_Yin - Friday, August 7, 2020 8:56 AM -
0 Votes
Server. Error code: 'invalid_client'. Description: 'AADSTS700027: Client assertion contains an invalid signature. [Reason - The key was not found., Thumbprint of key used by client: 'XXXXX']
Microsoft.Exchange.Security.OAuth.OAuthTokenRequestFailedException: Unable to get token from Auth Server. Error code: 'invalid_client'. Description: 'AADSTS700027: Client assertion contains an ...Proposed | 8 Replies | 8615 Views | Created by KamalpreetSingh - Friday, July 24, 2020 6:51 PM | Last reply by Lydia Zhou - Friday, August 7, 2020 8:19 AM -
0 Votes
PCI-DSS CVE-2000-0649 Web server internal IP Address/Internal Network name disclosure vulnerability
Hi, Ho can we address the PCI-DSS CVE-2000-0649 "Web server internal IP Address/Internal Network name disclosure vulnerability" issue in exchange server 2016 ...Answered | 3 Replies | 4527 Views | Created by Saaralanka - Monday, February 24, 2020 3:47 AM | Last reply by Saaralanka - Friday, August 7, 2020 6:24 AM -
5 Votes
Exchange 2016 CU9 - Sending mails via active sync is not working for some people
Hello community, a customer of us has a strange problem. The Server is a Exchange 2016 CU9 DAG Cluster. Everything works ...Answered | 6 Replies | 12377 Views | Created by Boris Birneder - Friday, May 25, 2018 9:54 AM | Last reply by nh'fw - Friday, August 7, 2020 5:52 AM - Items 1 to 20 of 51313 Next ›
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