If the following applies, you may be impacted by this PRB.

  • the loading of Event Management > Dashboard is slow, especially the bottom pane which displays the Alert records
  • when you access Transactions (All users) for your transactions and you note that the response times for / transactions are high with the bulk of the time spent in SQL time
  • you note that there is a large number of records in em_alert_history table (>100,000) and the bulk of the records (>80%) are having Open=false
  • your instance is on the New York release

Steps to Reproduce

  • Install the latest New-York release with Event Management plugin installed
  • Access Event Management > Dashboard 


  • Please refer to the releases in the "Fixed In" section for the fixed release.
  • If the fixed release is not yet available or you are not able to upgrade to a fixed version, as a workaround, please create a record in the Automated Test Framework> Administration > Table Cleanup for table: em_alert_history as below which will clean up the em_alert_history records that are having state is closed and created more than 7 days ago.
  • Please remove this Table Cleanup record after you have upgraded to a fixed release.


Related Problem: PRB1369589

Seen In

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Intended Fix Version


Fixed In

New York Patch 4

Safe Harbor Statement

This "Intended Fix Version" information is meant to outline ServiceNow's general product direction and should not be relied upon in making a purchasing decision. The information provided here is for information purposes only and may not be incorporated into any contract. It is not a commitment, promise, or legal obligation to deliver any material, code, or functionality. The development, release, and timing of any features or functionality described for our products remains at ServiceNow's sole discretion.

Associated Community Threads

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Article Information

Last Updated:2019-11-03 02:08:44