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Change Auditor - For Advanced Users 7.3 - Technical Insight Guide

Table of Contents

Change Auditor Services

Quest Change Auditor Coordinator Quest Change Auditor Workstation Agent Quest Change Auditor Agent Change Auditor for EMC

Change Auditor licensing processes

License check process Component licensing User counts

Component Start-up Considerations

Start up delays

Change Auditor network communications

Service Connection Points

CN=ChangeAuditor.Coordinator

Ports and protocols Network encryption

SMB protocol and share encryption Secure password storage Client to coordinator connection Agent to coordinator connection (version 6.x and 7.0.1) Agent to coordinator connection (version 7.0.2) Coordinator to SQL Server connection

Coordinator internal tasks

Forest topology collection Group expansion Alert processing License check Remote deployment Agent heartbeat check Refresh coordinator statistics Event aggregator SQL upgrade monitor Open handle Scheduled purge job Scheduled archive job Scheduled report job

Registry Settings

Force agent WCF port Force client port Force SDK port Use predefined GC for name resolution Allow collation switch Report zip limit SQL command timeout Enable ChangeAuditor Agent service to start with the Microsoft security update (KB2264107) Adjust memory dumps settings

Change Auditor built-in fault tolerance Change Auditor protection

Using multiple protection templates

How access rules are evaluated How scheduling and location works with denied access

Database Considerations

How to move the Change Auditor database and coordinator to another server How to estimate the required SQL server disk space How SQL Server Autogrow affects Change Auditor How to query an archive database

Account exclusions best practices

Use predefined GC for name resolution

Use the following registry setting to specify the Global Catalog to be used by the coordinator for lookup functions including topology, name resolution, group expansion, etc.

Table 12. Registry setting: Use predefined GC for name resolution
Location	Registry
Path	HKEY_LOCAL_MACHINE\SOFTWARE\Quest\ChangeAuditor\Coordinator
Value Name	NameResolutionGC
Value Type	String
Value	FQDN of the Global Catalog server

Allow collation switch

Use the following registry setting to allow an upgrade to proceed even if it detects a different collation between the two databases. When this is set to 0 (default), you will receive an error indicating that the server collation is different and the upgrade process will stop.

Table 13. Registry setting: Allow collation switch
Location	Registry
Path	HKEY_LOCAL_MACHINE\SOFTWARE\Quest\ChangeAuditor\Coordinator
Value Name	AllowCollationSwitch
Value Type	DWORD
Default	0 - Upon coordinator start, do not allow the detection of a collation switch to proceed.
Value	0 - Upon coordinator start, do not allow the detection of a collation switch to proceed. 1 - Upon coordinator start, allow the detection of a collation switch to proceed.

Report zip limit

Use the following registry setting to specify the maximum number of bytes that can be included in a report zip file.

Table 14. Registry setting: Report zip limit
Location	Registry
Path	HKEY_LOCAL_MACHINE\SOFTWARE\Quest\ChangeAuditor\Coordinator
Value Name	Report Zip Limit
Value Type	DWORD
Default	1024
Value	Report zip limit in bytes

SQL command timeout

Use the following registry setting to specify the maximum amount of time (in seconds) to allocate for executing a SQL command.

Table 15. Registry setting: SQL command timeout
Location	Registry
Path	HKEY_LOCAL_MACHINE\SOFTWARE\Quest\ChangeAuditor
Value Name	SQLTimeout
Value Type	DWORD
Default	30 seconds
Value	Maximum time in seconds for SQL command to run.
Note	This value is overridden by some SQL commands, which are known to be long-running.

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