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When you view the properties of users that belong to 1,000 or more global groups in a Windows NT domain, User Manager may generate an Access Violation error message. An Access Violation error message may also be generated for users that were members of less than 1,000 global groups.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
152734 how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: