try this
select accountid,c_acct_engagementID,client_code,engagement,ltrim(rtrim(client_code)) + ltrim(rtrim(engagement)) as
EngCode from saleslogix.sysdba.c_acct_Engagement B
where
ltrim(rtrim(B.Client_Code)) + ltrim(rtrim(B.Engagement))
not in (select ltrim(rtrim(cltnum)) + ltrim(rtrim(clteng))
from [rl-sql02].abc_sql.dbo.clients)
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SQL Server MVP
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