External senders randomly and temporary receive...
On different moments of the day, the Exchange 2013 server bounces mail by sending an NDR message back to an external sender with SMTPSEND.DNS.NonExistentDomain NDR messages.Mail was flowing okay with...
View ArticleError cmdlet Test-mailflow: "An unexpected error has occured and a Watson...
Hello,When I open the Exchange (2010) Managent Shell and executed the cmd Test-mailflow, the out-put is the following: [PS] C:\Windows\system32>Test-mailflow RunspaceId :...
View Article451 4.4.0 primary outbound frontend ip address responded with exchange 2013
I am facing an issue some of the receipients in exchange 2013 :: 451 4.4.0 primary outbound frontend ip address responded with: "450 4.7.0 proxy session setup failed on frontend with '451 4.4.0 Error...
View ArticleHealthMailbox....... thousands of tranfers appearing in SPAM quarantine
I've asked this question on another forum without an answer so I thought I would try here.This relates to Exchange 2013. During Friday through to Monday I am picking up thousands of spam items sent...
View Articleexchange 2003 outbound messages queuing
I recently tried to upgrade our router to avail of extra download capacity. The older model limited us to 6mb whereas the new will give us up tp 24mb. I configured the new router exactly as the old...
View ArticleUnable to receive external emails to my Exchange 2013
Hi,I am having Exchange Server 2013 installed in my network. Suddenly It stopped receiving external emails, while users are able to send and receive internal emails and can send emails to external...
View ArticleMail stuck in Draft Folder
I have installed Exchange Server 2013.I have an issue. While users are sending email from OWA, mails are stuck in Drafts folder.Simply, Failed to understand what is the issue.I have checked send or...
View ArticleEmail enable Sharepoint list
After i create a sharepoint list in sharepoint 2010, the contact is created in Exchange 2010. However, I am unable to send email to the list. I receive this error when I send email to the list.Delivery...
View ArticleExchange 2003 - One User Unable to Send to One External Address
Hello, I have researched this problem extensively online and have found nothing that helps thus far. So here is the problem: I have a single user on our Exchange Server who has to send an email to an...
View ArticleMultiple "Delivered" messages
Hello all,We're experiencing this issue (if it is) on this specific case.We just migrated from Exchange 2003 to 2010 SP3. Most of the clients are using Outlook 2003 SP3.When a user sends an email with...
View ArticlePublic Folders - Setting permission gives System.OutOfMemoryException
Hi,when trying to set root access permissions with inheritance on public folder on Exchange 2013 it stops after a while with: Exception of type 'System.OutOfMemoryException' was thrown.Public folders...
View Article550 - No such domain at this location
We recently installed Exchange 2013 in coexistence with Exchange 2010 with the intention of migrating all of our users to Exchange 2013. My problem is that the new mailbox servers are not sending...
View ArticleURGENT FIX REQUIRED: A storage transient failure has occurred during content...
Hello,Please help, basically we have the same issue as the following post, only the proposed answer is not the final answer and the issue...
View Articlenew-routinggroupconnector cmdlet missing
Hi,We've got stuck in the middle of migration process from Exchange 2007 to 2013.Our Exchange 2013 box has CU1 installed. The problem is when I try to create a routing group connector in Exchange Shell...
View ArticleExchange 2013
Just installed 2013 exchange server, we noticed after a couple of days that we did not receive any external emails throughout the night. I could not find anything wrong with receive connectors....
View ArticleCertificate work flow
Hello,I would like to understand how the client "outlook" receive the Certificate from the Exchange server and which service is responsible to provide it to the client.Also how this works between the...
View Articlemailflow broken - error 451 4.7.0
Hi, i have the following situation with an exchange 2010/2013 coexistence scenario: 3 Servers, 1 2008 R2 Server as DC with Exchange 2010, 1 2012 Server as DC, 1 2012 Server with Exchange 2013. The...
View ArticleMail stuck in outbox on shared full access permission to other mailbox
Exchange 2013 outlook 2007 we have 1 email that we gave full access permission to 3 employees. 1 employee when I add this second email address after a while it prevents outlook from sending mail, just...
View ArticleExchange 2013 Address Book Policy Routing Agent Issue with Mailboxes Hidden...
When the AddressBookPolicyRoutingEnabled attribute is enabled by running Set-TransportConfig -AddressBookPolicyRoutingEnabled $True, I am having an issue with delivery failures for mailboxes that are...
View Article550 5.4.1 Relay Access Denied from outbound mail from Exchange 2013...
I have an Exchange 2013 hybrid infrastructure with Office 365 (tenant 15....)Mail flow is working well between in cloud mailbox and on-premise mailbox.I have set the Outbound connector on my on-premise...
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