Symptoms
Consider the following scenario:
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You install the Absconfig tool in a Microsoft Skype for Business Server 2015 environment.
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You run the Absconfig.exe file on Skype for Business Server 2015 front-end servers that have the Address Book Service enabled to change an address book attribute.
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You run the Update-CsUserDatabase cmdlet to start a new replicator sync cycle.
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You apply either the May 2017 or the March 2018 cumulative update for Skype for Business Server 2015.
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You run the following command to update the rtcab database:Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn< FQDN>
In this situation, you receive an error message that states the RtcResetAbAttributes procedure fails. For example, you may receive the following error message:
Executing RtcAbDb.sql... Database rtcab is set to multi user mode. Error executing batch. Details: Error creating procedure RtcResetAbAttributes: sql error code = 547, error message = The DELETE statement conflicted with the REFERENCE constraint "FK_AbAttrValue_AbAttribute". The conflict occurred in database "rtcab", table "dbo.AbAttributeValue", column 'AttrId'., line number = LineNumber sql error code = 3621, error message = The statement has been terminated., line number = LineNumber
Cause
This issue occurs because the rtcab.RtcResetAbAttributes stored procedure deletes rows from the AbAttributes table. This violates the foreign key constraint in the AbAttributeValues table. Therefore, the Install-CsDatabase cmdlet fails.
Resolution
To fix this issue, install the July 2018 cumulative update 6.0.9319.534 for Skype for Business Server 2015, Core Components.
