Major Incident Review - Unable to Apply Signature on Email for On Premise Users

Major Incident Review - Unable to Apply Signature on Email for On Premise Users

Major Incident Causing Product - Code Two of Exchange
Affected Users - On Premise Email Users 
Date - March 10, 2019
Tests Performed
      Scenario 1 - Updated the new image on Mailbox Server on each site - Signature was not applied for all on prem users
      Scenario 2 - Restarted the code two services - Signature was not applied for all on prem users
      Scenario 3 - Updated the new image on All Mailbox Server on each site - Image was not applied for all on prem users - Signature was                                   missing for all on prem users
      Scenario 4 - Restarted the code two services - Image was not applied for all on prem users - Signature was missing for all on prem users

Why it Happened - The Signature rule was not being picked up. and this is under investigation
How it was Solved - Created a new rule and applied it.
How to Avoid Recurrence - We upgraded it from Version 9 (which was not a supported version) to Version 12 (latest version).

Beza Melaku

    • Related Articles

    • Major Incident Review - Office 365 Users Unable to Receive Emails

      Major Incident Causing Product - Office 365 Affected Users - Office 365 Users Date - January 17, 2019 Tests Performed       Scenario 1 - Send a test email from inside the organization - Failed       Scenario 2 - Send a test email from outside the ...

    • Major Incident Review - Unable to Send and Receive Emails to/from Outside

      Major Incident Causing Product - Active Directory DNS Service Affected Users - All Email Users with the exception of Office 365 Date - February 26, 2019 Tests Performed       Scenario 1 - Send a test email from inside the organization - Failed     ...

    • Major Incident Review - Evisa Server Virus Attack on AWS

      Major Incident Causing Product - Evisa Affected Users - Evisa Users Date - February 01, 2019 Tests Performed       Scenario 1 - Check where the server is located on AWS       Scenario 2 - Check if the server is updated - it was not updated     ...

    • Major Incident Review - Crew Control Application Server Failure

      Major Incident Causing Product - Crew Control Application Server Affected Users - Crew Control Users Date - January 24, 2019 Tests Performed       Scenario 1 - Check if the server is up and running - The server was in failed status       Scenario 2 - ...

    • UNABLE TO CLOSE flight eg .ET512/25AUG

      Bellow is resolution detail from Sabre team. Your Service Request 1-25PKAEJ, displayed below, has been clarified. Below are the resolution details: We have detected 2 passengers in the DHSR list G*L512/25AUGABJ/DHSR«                                  ...