Windows facilities SpaceGuard SRM WinQuota Quota Advisor
Functionality comparison
Directory based quotas NoYesYesYes
Multiple quota limits NoYesYesYes
User based quota NoNoYesYes
Massive reconfiguration NoYesYesNo
Hard limits for quotas NoNoNoNo
Auto-Add quotas NoYesYesYes
Quota monitoring on FAT drives NoYesNoNo
User alerts YesYesYesYes
Quota limits based on reference values NoYesNoNo
Quota limits based on absolute values YesYesYesYes
Quota limits based on directory size (%) NoYesYesNo
Quota limits based on disk size (%) NoYesYesNo
Revoke access when quota reached YesYes for new filesYesYes
Supported storage environment sizes UnlimitedUnlimitedUnlimitedUnlimited
Network users support NoNoYesYes
User groups support YesYesYesYes
Notifications comparison
Popup alerting YesYesYesYes
E-mail alerting NoYesNoYes
Pager / SMS alerting NoYesNoNo
Event log alerting YesYesYesYes
SNMP trap alerting NoYesNoNo
Command line actions NoYesYesNo
Execute alerts when exceeding quota NoYesWill be in 2.0Yes
Other features
Command line interface for scripting NoYesYesNo
Easy API for application integration YesYesWill be in 2.0Yes
Licensing policy -per serverper serverper server
Cost -$599$200Part of Veritas/Symantec solutions

Our brief comments are available here; read it carefully if you have any questions with comparison table.

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