# Counter Descriptions

Objects | Counter | Description
--- | --- | ---
IIS Global | Active Flushed Entries | Active Flushed Entries are cached file handles that will be closed when all current transfers complete. IIS Global object.
Web | Anonymous Users/Sec | The rate users are making anonymous connections using the Web service.
IIS Global | BLOB Cache Flushes | BLOB Cache Flushes since server startup.
IIS Global | BLOB Cache Hits | The total number of successful lookups in the BLOB cache.
IIS Global | BLOB Cache Hits % | The ratio of BLOB Cache Hits to total cache requests.
IIS Global | BLOB Cache Misses | The total number of unsuccessful lookups in the BLOB cache.
Web, FTP | Bytes Received/Sec | Rate at which data bytes are received by the service at the Application Layer; does not include protocol headers or control bytes.
Web, FTP | Bytes Sent/Sec | Rate at which data bytes are sent by the service.
Web, FTP | Bytes Total/Sec | Rate of total bytes/sec transferred by the Web service (sum of bytes sent/sec and bytes received/sec).
Web | CGI Requests/Sec | The rate of CGI requests that are simultaneously being processed by the Web service.
Web | Connection Attempts/Sec | The rate that connections using the Web service are being attempted. the count is the average for all Web sites combined, regardless of what you choose for Instance.
Web | Copy Requests/Sec | The rate HTTP requests are made using the COPY method. Copy requests are used for copying files and directories. The measurement can be either a total measurement or a site-specific measurement.
Web, FTP | Current Anonymous Users | The number of users who currently have an anonymous connection using the Web or FTP service. If a client request for an anonymous connection is rejected and the client responds with valid authenticating data, the connection is counted as non-anonymous.
IIS Global | Current BLOBs Cached | BLOB information blocks currently in the cache for WWW and FTP services.
IIS Global, Web | Current Blocked Async I/O Requests | Current number of requests that are temporarily blocked by the bandwidth throttle setting. Blocked requests are held in a buffer and then unblocked if more bandwidth becomes available, unless a timeout limit is reached.
Web | Current CAL Count for Authenticated Users | The current count of licenses used simultaneously by the Web service for authenticated connections. The measurement can be either a total measurement or a site-specific measurement.
Web | Current CAL Count for SSL connections | The current count of licenses used simultaneously by the Web service for SSL connections. The measurement can be either a total measurement or a site-specific measurement.
Web | Current CGI Requests | Current number of CGI requests simultaneously being processed by the service.
Web, FTP | Current Connections | The current number of connections established with the Web or FTP service (sum of anonymous and non-anonymous users). The count is the current total for all Web sites or all FTP sites combined, regardless of what you choose for Instance.
IIS Global | Current File Cache Memory Usage | Current number of bytes used for file cache.
IIS Global | Current Files Cached | Current number of files whose content is in the cache for WWW and FTP services.
Web | Current ISAPI Extension Requests | Current ISAPI extension requests simultaneously being processed by the service.
Web, FTP | Current NonAnonymous Users | The number of users who currently have a non-anonymous connection using the Web or FTP service. If a client request for an anonymous connection is rejected and the client responds with valid authenticating data, the connection is counted as non-anonymous.
IIS Global | Current URIs Cached | URI information blocks currrently in the cache for WWW and FTP services.
ASP | Debugging Requests | The number of debugging document requests.
Web | Delete Requests/Sec | The rate HTTP requests using the DELETE method are made.
ASP | Errors During Script Runtime | The number of requests failed due to runtime errors.
ASP | Errors From ASP Preprocessor | The number of requests failed due to preprocessor errors.
ASP | Errors From Script Compiler | The total number of requests that failed due to script compilation errors.
ASP | Errors/Sec | The number of errors per second.
IIS Global | File Cache Flushes | File Cache Flushes since server startup.
IIS Global | File Cache Hits | The total number of successful lookups in the file cache.
IIS Global | File Cache Hits % | The ratio of File Cache Hits to total cache requests.
IIS Global | File Cache Misses | The total number of unsuccessful lookups in the file cache.
Web | Files Received/Sec | Rate of files received by (uploaded to) the Web service since the service started.
Web | Files Sent/Sec | Rate of files sent by (downloaded from) the Web service since the service started.
Web | Files/Sec | Rate of files transferred by server since startup of the Web service.
FTP | FTP Service Uptime | The number of seconds the service or the instance has been running. This number returns to zero when the server or instance is stopped. Pause does not affect this counter. This is called Service Uptime for the Web Service.
Web | Get Requests/Sec | The rate of HTTP requests using the GET method. GET requests are generally used for basic file retrievals or image maps, though they can be used with forms.
Web | Head Requests/Sec | The rate HTTP requests using the HEAD method are made. HEAD requests generally indicate a client is querying the state of a document they already have to see if it needs to be refreshed.
ASP | In Memory Cache Hit Rate | The percentage of requests found in ASP templates cached in memory.
ASP | In Memory Templates | The total number of ASP templates cached in memory.
Web | ISAPI Extension Requests/Sec | The rate of ISAPI Extension requests that are simultaneously being processed by the Web service.
Web | Lock Requests/Sec | The rate that HTTP requests are made using the LOCK method. Lock requests are used to lock a file for one user so that only that user can modify the file.
Web | Locked Errors/Sec | The rate of errors due to requests that couldn't be satisfied by the server because the requested document was locked. These are generally reported as an HTTP 423 error code to the client.
Web | Logon Attempts/Sec | The rate that logons using the Web service are being attempted. The measurement can be either a total measurement or a site-specific measurement.
Web, FTP | Maximum Anonymous Users | The maximum number of users who established concurrent anonymous connections using the Web or FTP service (since service startup).
Web | Maximum CAL Count for Authenticated Users | Maximum CAL count for authenticated users is the maximum count of licenses used simultaneously by the Web service for authenticated connections. The measurement can be either a total measurement or a site-specific measurement.
Web | Maximum CAL Count for SSL connections | Maximum CAL count for SSL connections is the maximum count of licenses used simultaneously by the Web service for SSL connections. The measurement can be either a total measurement or a site-specific measurement.
Web | Maximum CGI Requests | Largest number of CGI requests simultaneously processed by the service since service startup.
Web, FTP | Maximum Connections | The largest number of simultaneous connections established with the Web or FTP service since service startup. The count is the maximum for all Web sites or FTP sites combined, regardless of what you choose for Instance.
IIS Global | Maximum File Cache Memory Usage | Maximum number of bytes used for file cache.
Web | Maximum ISAPI Extension Requests | Largest number of ISAPI extension requests simultaneously processed by the service since service startup.
Web, FTP | Maximum NonAnonymous Users | The maximum number of users who established concurrent non-anonymous connections using the Web or FTP service (since service startup). If a client request for an anonymous connection is rejected and the client responds with valid authenticating data, the connection is counted as non-anonymous.
IIS Global, Web | Measured Async I/O Bandwidth usage | The number of bytes received and sent by your Web server, averaged over one minute. This is a measure of the total amount of user traffic on your server.
| Memory Allocated | The total amount of memory, in bytes, currently allocated by Active Server Pages.
Web | Mkcol Requests/Sec | The rate HTTP requests using the MKCOL method are made. Mkcol requests are used to create directories on the server. The measurement can be either a total measurement or a site-specific measurement.
Web | Move Requests/Sec | The rate HTTP requests using the MOVE method are made. Move requests are used for moving files and directories.
Web | NonAnonymous Users/Sec | The rate users are making non-anonymous connections using the Web service. The measurement can be either a total measurement or a site-specific measurement.
Web | Not Found Errors/Sec | The rate of errors due to requests that couldn't be satisfied by the server because the requested document could not be found. These are generally reported to the client with HTTP error code 404.
Web | Options Requests/Sec | The rate HTTP requests using the OPTIONS method are made. The measurement can be either a total measurement or a site-specific measurement.
Web | Other Request Methods/Sec | The rate at which HTTP requests are made that do not use the GET, POST, PUT, DELETE, TRACE or HEAD methods. These may include LINK or other methods supported by gateway applications.
Web | Post Requests/Sec | Rate of HTTP requests using POST method; generally used for forms or gateway requests.
Web | Propfind Requests/Sec | The rate HTTP requests using the PROPFIND method are made. Propfind requests retrieve property values on files and directories. The measurement can be either a total measurement or a site-specific measurement.
Web | Proppatch Requests/Sec | The rate HTTP requests using the PROPPATCH method are made. Proppatch requests set property values on files and directories. The measurement can be either a total measurement or a site-specific measurement.
Web | Put Requests/Sec | The rate HTTP requests using the PUT method are made.
ASP | Request Bytes In Total | The total size, in bytes, of all requests.
ASP | Request Bytes Out Total | The total size, in bytes, of all responses sent to clients.This does not include the standard HTTP response headers.
ASP | Request Execution Time | The number of milliseconds that it took to execute the most recent request.
ASP | Request Wait Time | The number of milliseconds the most recent request was waiting in the queue.
ASP | Requests Disconnected | The number of requests that were disconnected due to communications failure.
ASP | Requests Executing | The number of requests currently executing.
ASP | Requests Failed Total | The total number of requests failed due to errors, authorization failure, and rejections.
ASP | Requests Not Authorized | The number of requests failed due to insufficient access rights.
ASP | Requests Not Found | The number of requests for files that were not found.
ASP | Requests Queued | The number of requests waiting for service from the queue.
ASP | Requests Rejected | The total number of requests not executed because there were insufficient resources to process them.
ASP | Requests Succeeded | The number of requests that executed successfully.
ASP | Requests Timed Out | The number of requests that timed out.
ASP | Requests Total | The total number of requests since the service was started.
ASP | Requests/Sec | The number of requests executed per second.
ASP | Script Engines Cached | The number of script engines in cache.
Web | Search Requests/Sec | The rate HTTP requests using the MS-SEARCH method are made. Search requests are used to query the server to find resources that match a set of conditions provided by the client. The measurement can be either a total measurement or a site-specific measurement.
Web, FTP | Service Uptime | The number of seconds the service or the instance has been running. This number returns to zero when the server or instance is stopped. Pause does not affect this counter. This is called FTP Service Uptime for the FTP Service.
ASP | Session Duration | The number of milliseconds that the most recent session persisted.
ASP | Sessions Current | The number of sessions being serviced.
ASP | Sessions Timed Out | The number of sessions timed out.
ASP | Sessions Total | The total number of sessions since the service was started.
ASP | Template Cache Hit Rate | The percentage of requests found in the ASP template cache, both in memory and persisted.
ASP | Template Notifications | The number of templates in the cache, both in memory and persisted, invalidated due to change notification.
ASP | Templates Cached | The total number of ASP templates cached, both in memory and persisted (on disk).
IIS Global, Web | Total Allowed Async I/O Requests | The number of user requests allowed by the Web and FTP services since service startup. When you throttle bandwidth, the number of allowed user requests will be restricted.
Web, FTP | Total Anonymous Users | The total number of users who established an anonymous connection with the Web or FTP service (since service startup). If a client request for an anonymous connection is rejected and the client responds with valid authenticating data, the connection is counted as non-anonymous.
IIS Global | Total BLOBs Cached | The total number of BLOB information blocks ever added to the cache for WWW and FTP services.
IIS Global, Web | Total Blocked Async I/O Requests | The total number of requests that have been temporarily blocked by the bandwidth throttle setting since service startup. Blocked requests are held in a buffer and then unblocked if more bandwidth becomes available, unless a timeout limit is reached.
Web | Total CGI Requests | The total number of Common Gateway Interface (CGI) requests executed since service startup. CGI requests are custom gateway executables (.exe files) the administrator can install to add forms processing or other dynamic data sources. CGI requests spawn a process on the server which can be a large drain on server resources.
Web, FTP | Total Connection Attempts | The total number of connections to the Web or FTP service that have been attempted since service startup. The count is the total for all Web sites or FTP sites combined, regardless of what you choose for Instance. This number does not include connection attempts that failed at the TCP (transport) or IP (network) layer. To monitor all connection attempts, use the Connection counters on the TCP performance object; for information about obtaining and viewing this object, see the Windows 2000 Resource Kits. To monitor currently active connections, use Current Connections.
Web | Total Copy Requests | The total number of HTTP requests using the COPY method (counted since service startup). Copy requests are used for copying files and directories. The measurement can be either a total measurement or a site-specific measurement.
Web | Total Count of failed CAL Requests for Authenticated Users | The number of HTTP requests that failed due to a license being unavailable for an authenticated user. The count is the total since service startup. The measurement can be either a total measurement or a site-specific measurement.
Web | Total Count of Failed CAL Requests for SSL connections | The total count of HTTP requests that failed due to a license being unavailable for SSL connections. The measurement can be either a total measurement or a site-specific measurement.
Web | Total Delete Requests | The number of HTTP requests using the DELETE method.
IIS Global | Total Files Cached | The total number of files whose content was ever added to the cache for WWW and FTP services.
Web, FTP | Total Files Received | The total number of files received by the Web service since the service started.
Web, FTP | Total Files Sent | The total number of files sent by the Web service since the service started.
Web, FTP | Total Files Transferred | The total number of files transferred by the Web service since the service started. Total Files Transferred is the sum of Files Sent plus Files Received.
IIS Global | Total Flushed BLOBs | The total number of BLOB information blocks that have been removed from the cache since service start up.
IIS Global | Total Flushed Files | Total Flushed Files is the number of file handles that have been removed from the cache since service start up.
IIS Global | Total Flushed URIs | The total number of URI information blocks that have been removed from the cache since service start up.
Web | Total Get Requests | Total number of HTTP GET requests received by the service; GET requests are generally used for basic file retrievals or image maps, though they can be used with forms.
Web | Total Head Requests | Total number of HTTP HEAD requests received by the service. HEAD requests typically indicate that a client is querying the state of a document they already have to see if it needs to be refreshed.
Web | Total ISAPI Extension Requests | Total number of HTTP ISAPI extension requests received by the service. ISAPI Extension Requests are custom gateway dynamic-link libraries (DLLs), which the administrator can install to add forms processing or other dynamic data sources.
Web | Total Lock Requests | The total number of HTTP requests using the LOCK method (counted since service startup). Lock requests are used to lock a file for one user so that only that user can modify the file. The measurement can be either a total measurement or a site-specific measurement.
Web | Total Locked Errors | The total number of requests that couldn't be satisfied by the server because the requested was locked. These are generally reported as an HTTP 423 error code to the client. The count is the total since service startup. The measurement can be either a total measurement or a site-specific measurement.
Web, FTP | Total Logon Attempts | The total number of successful logons to the Web or FTP service since the service started; does not include failed logon attempts. To calculate failed attempts (where clients were able to connect but not log on), subtract Logon Attempts from Connection Attempts.
Web | Total Method Requests | The number of total HTTP GET, POST, PUT, DELETE, TRACE, HEAD and other method requests.
Web | Total Method Requests/Sec | The rate HTTP requests using GET, POST, PUT, DELETE, TRACE or HEAD methods are made.
Web | Total Mkcol Requests | The total number of HTTP requests using the MKCOL method (counted since service startup). Mkcol requests are used to create directories on the server.
Web | Total Move Requests | The total number of HTTP requests using the MOVE method (counted since service startup). Move requests are used for moving files and directories.
Web, FTP | Total NonAnonymous Users | The total number of users who established a non-anonymous connection with the Web or FTP service (since service startup). If a client request for an anonymous connection is rejected and the client responds with valid authenticating data, the connection is counted as non-anonymous.
Web | Total Not Found Errors | Number of requests that could not be satisfied by the Web service because requested document could not be found; typically reported as HTTP 404 error code to client.
Web | Total Options Requests | The total number of HTTP requests using the OPTIONS method (counted since service startup).
Web | Total Other Request Methods | The total number of HTTP requests that are not GET, POST, PUT, DELETE, TRACE or HEAD methods. These may include LINK or other methods supported by gateway applications.
Web | Total Post Requests | The number of HTTP requests using the POST method. Post requests are generally used for forms or gateway requests.
Web | Total Propfind Requests | The total number of HTTP requests using the PROPFIND method (counted since service startup). Propfind requests retrieve property values on files and directories. The measurement can be either a total measurement or a site-specific measurement.
Web | Total Proppatch Requests | The total number of HTTP requests using the PROPPATCH method (counted since service startup). Proppatch requests set property values on files and directories.
Web | Total Put Requests | The number of HTTP requests using the PUT method.
IIS Global, Web | Total Rejected Async I/O Requests | The total number of user requests rejected (because of bandwidth settings) since service startup. When a request is rejected, it is not held in a buffer, unlike a blocked request.
Web | Total Search Requests | The total number of HTTP requests using the MS-SEARCH method (counted since service startup). Search requests are used to query the server to find resources that match a set of conditions provided by the client. The measurement can be either a total measurement or a site-specific measurement.
Web | Total Trace Requests | The number of HTTP requests using the TRACE method.
Web | Total Unlock Requests | The total number of HTTP requests using the UNLOCK method (counted since service startup). Unlock requests are used to remove locks from files. The measurement can be either a total measurement or a site-specific measurement.
IIS Global | Total URIs Cached | The total number of URI information blocks ever added to the cache for WWW and FTP services.
Web | Trace Requests/Sec | The rate of HTTP requests using the TRACE method are made.
ASP | Transactions Aborted | The number of transactions aborted.
ASP | Transactions Committed | The number of transactions committed.
ASP | Transactions Pending | The number of transactions in progress.
ASP | Transactions Total | The total number of transactions since the service was started.
ASP | Transactions/Sec | The number of transactions started per second.
Web | Unlock Requests/Sec | The rate HTTP requests using the UNLOCK method are made. Unlock requests are used to remove locks from files. The measurement can be either a total measurement or a site-specific measurement.
IIS Global | URI Cache Flushes | URI Cache Flushes since server startup.
IIS Global | URI Cache Hits | The total number of successful lookups in the URI cache.
IIS Global | URI Cache Hits % | The ratio of URI Cache Hits to total cache requests.
IIS Global | URI Cache Misses | The total number of unsuccessful lookups in the URI cache.

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