Running the following should open a prompt with the available RootCAs for that domain certutil -config – -ping

Here are all the commands without interruption: telnet mail.com 25 Trying 69.63.149.30… Connected to mail.com (69.63.149.30). Escape character is ‘^]’. 220 mail.port25.com (PowerMTA(TM) v4.0) ESMTP service ready EHLO server.example.com 250-mail.port25.com says hello 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-PIPELINING …

Grab the latest copy of the mailbox database and transaction log files On the restored server dismount the database you will be restoring. Copy the newest Database and transaction logs to the restored server. (these …

If a client calls in or you notice that Password Sync is showing no recent synchronization like in the image below there are a few things to check for.   Make sure Azure AD Connect …

Here is a quick overview of how DNS Scavenging works Each forward and reverse zones are set with aging properties for both no-refresh and refresh intervals usually you want to make these intervals combined equal …

Usually this error comes up when a mailbox has been restored. Pull the ICMEAX line from a NDR email and enter that text when prompted after running the powershell script below. At which point you …

If you are having issues getting Sharepoint 2013 to work using application offloading on a Sonicwall SRA or it would work intermittently, I found that disabling Minimal Download Strategy allowed the site to work without …

I found that I was still missing 70+ updates after downloading updates with wsusofflineupdater so I manually downloaded them from the update catalog and added them in. Powershell Script for slipstreaming updates (https://www.reddit.com/r/sysadmin/comments/4ak3h7/powershell_script_to_slipstream_windows_updates/) cls #This …

  Group Policy Group Group Policy Option Event IDs Account Logon Audit Credential Validation 4774, 4775, 4776, 4777 Audit Kerberos Authentication Service 4768, 4771, 4772 Audit Kerberos Service Ticket Operations 4769, 4770 Audit Other Account …