Open Exchange PowerShell on the Exchange server Run the following command (replace *.domainname below with the domain name) New-ExchangeCertificate -KeySize 2048 -PrivateKeyExportable $true -SubjectName “CN= Microsoft Exchange Server Auth Certificate” -DomainName “*.domainname” -FriendlyName “Microsoft Exchange Server Auth Certificate” -Services SMTP Answer No to over-write Write down the certificate thumpprint Type: $date = Get-Date Type: […]
Below is the site used to create or delete Microsoft Office 365 App Password needed for Multi Factor Authentication used in conjunction with non-Microsoft Office apps like native mail clients on smart phones, MAC mail or even older versions of Microsoft Outlook. https://aka.ms/mysecurityinfo
If the self-assigned VMware esxi 6.0 SSL Certificate expired on a Host and displaying a warning or an error in vCenter on the Host, you will need to renew that SSL Certificate. The certificate can’t be renewed through the VMware vSphere client, but can be renewed via the Web Client but unfortunately that would require […]
We were in the process of migrating mailboxes on-premise Exchange 2013 running on Windows Server 2012 to office 365 and while installing the Hybrid Configuration Wizard we were getting the following error. PowerShell failed to invoke ‘New-FederationTrust’: Unable to access the Federation Metadata document from the federation partner. Detailed information: “The underlying connection was closed: […]
When trying to move a mailbox from one Exchange server 2008/2010/2013 to another or from Database to another you get the error message below. Fixing it is easy if you have used ASDIEdit before. Basically you are going to reset the Exchange Mailbox Move Values… Sample Error: Data migrated: Migration rate: Error: MigrationTransientException: Failed to […]
When you click on a web/html link in email Google Chrome or the default Internet Browser opens up the link plus two tabs. The two tabs would say: “—use-spdy%3Doff’s server IP address could not be found” -AND- “—disable-http2’s server IP address could not be found” Solution: Your Windows PC is infected with a malware. […]
There are two traditional ways to move physical machines to Hyper-V virtual machine using Microsoft Tools. 1- Microsoft Virtual Machine Converter When you try to convert a Windows server 2012 for example from physical to a VM, you might get the following error: Microsoft Virtual machine Converter encountered an error while attempting to convert the […]
When attempting to remove permissions from Exchange server mailbox using Exchange Management Shell… Powershell Remove-MailboxPermission -identity…. You get the following error WARNING: Can’t remove the access control entry on the object… because the ACE doesn’t exist on the object. There is abundance of articles on the Internet on to deal with this… mostly confusing and […]
If you are running a Windows Server 2016 standard 180 days evolution copy that you downloaded off Microsoft Website and try to activate the installation with a product key that you purchased for Microsoft Server 2016, you might get an error message saying that it can’t activate, or that you entered a product key that […]
When you try to access SonicWALL SMA (Secure Mobile Appliance) using NetExtender you get “SonicWALL – Can not access the appliance for Security. Please contact administrator” Resolution: Make sure you type the domain correctly in the NetExtender and with the right case. The domain is Case Sensitive. So if your domain on the SMA is configured […]