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SQL Deadlocks when running migrations with Large Collections
Description
When running multiple operations from multiple MFNE workstation, with large collections, the MFNE application abends with SQL Errors, and you can see an SQL Deadlock state being reached on the SQL Server.
Cause
The collection size you are working with is too large. In one customer four MFNE operations running on collections of 1500 users in size, has been seen to cause the this deadlock issue.
Resolution
In this scenario, you should reduce the size of the collections you are using to 200 accounts, then then scale up until you identify the sweet spot for not hitting these SQL Deadlocks.
Your Request will be reviewed by our technical reviewer team and, if approved, will be added as a Topic in our Knowledgebase.
Recommended Content
Product(s):
Migrator for Notes to Exchange
Topic(s):
Best Practices
Article History:
Created on: 8/6/2015 Last Update on: 5/7/2023
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Your Request will be reviewed by our technical reviewer team and, if approved, will be added as a Topic in our Knowledgebase.
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