Exchange 2010 – Allow external senders to use distribution list
Microsoft Geek
By default when you create a distribution group (also known as a distribution list) external email addresses are unable to send emails to the group. To allow external email addresses…
2016
6 Tips for a Successful Patching Process
Whether your servers run Windows or Linux, whether your workstations are Windows 7 or Macs, and no matter what vendor your network gear comes from, one of the most critical…
Exchange 2010 – Cannot login after mailbox has been disabled and attached to different AD user account
I was asked to rename an Exchange account (sitting on an Exchange 2010 SP2 server) for a customer today because the surname had changed so to do this tidily, I…
Exchange Best Practices: Mailbox Storage Quotas
The trend for Exchange Server in recent years is towards larger mailboxes. Email is a heavily used application, users are demanding more storage for their email, and current versions of…
A Sender Policy Framework (SPF) Primer for Exchange Administrators
Email spam continues to be a huge problem for organizations these days, and it usually falls on the Exchange administrator to do something about it. Aside from the usual anti-spam…
Unable to RDP into server
If you are unable to remote desktop into a server using the computer name, but you are able to remote into the server using the IP address and you get…
How to Find Your DHCP Server
Windows open cmd as administrator run: ipconfig /all find /i "DHCP Server" Linux the DHCP server is usually located in the dhclient.leases file run: cat /var/lib/dhcp3/dhclient.leases or: grep dhcp-server-identifier /var/lib/dhcp3/dhclient.leases…
Microsoft Exchange Action Could Not be Performed on User
When deleting a mailbox from Microsoft Exchange Server, the following error is sometimes displayed, especially if the user has been an Exchange Administrator: Microsoft Exchange Error - Action Remove could…
Fix SQL Configuration Manager Cannot Connect to WMI Provider
When trying to open MS SQL Server Configuration Manager, a dialog may appear.. Cannot connect to WMI provider. You do not have permission or the server is unreachable. Note that…
How to view/logoff remote desktop hung sessions
You try to RDP into a Terminal Server and you get this message below. You can run the following comment to view terminal server sessions. Qwinsta /server:computername This will show…