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    Research Professional - Q4 2023

    Uptime Quarterly Reports are published each quarter to provide a comprehensive view of our uptime performance as measured over the last three (3) months and over the last twelve (12) months. The report measures our performance as defined in the Service Level Agreement.

    The uptime measured on a rolling 12-month basis from January 2023 to December 2023 is 100%.

    The uptime measured on a rolling 3-month basis from October 2023 to December 2023 is 100%.

    Please note our System Uptime Status page, which allows our customers to view the current status of their instance/environment at any time, using the following link:



    Unscheduled downtime incidents in Q4 2023 


    Start time


    End time





    Scheduled downtimes during maintenance windows in Q4 2023

    Start Date

    Day of Week

    Start Time


    End Time


    Duration (Minutes)

    October 18, 2023 Wednesday 06:18 PM 06:44 PM 26

    Total unscheduled downtime minutes during the past 12 months


    Total unscheduled downtime in Quarter (minutes)

    Q1 2023 0
    Q2 2023 0
    Q3 2022 0
    Q4 2023 0


    How is Uptime Calculated?

    The uptime calculation is based on the following calculation (as defined in the Service Level Agreement):

    "Uptime" means the total period in minutes during which the Service is available for access and use during this period.


    Uptime Percentage” means Uptime expressed as a percentage, calculated by the following formula:   


     Uptime Percentage = X /(Y–Z) × 100    


      X = Uptime

      Y = Last 12 months period

      Z = The duration (in minutes) of any SLA Exclusions* during these 12 months


    *SLA exclusions are defined in the contract SLA (e.g. Scheduled maintenance, etc.)


    Further Information

    If you have any queries on the information within this report please contact Ex Libris through your usual channel.


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