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 UptimeThe 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 RateThe percentage of requests found in ASP templates cached in memory.
ASP In Memory TemplatesThe total number of ASP templates cached in memory.
Web ISAPI Extension Requests/SecThe rate of ISAPI Extension requests that are simultaneously being processed by the Web service.
Web Lock Requests/SecThe 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/SecThe 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/SecThe 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 UsersThe maximum number of users who established concurrent anonymous connections using the Web or FTP service (since service startup).
Web Maximum CAL Count for Authenticated UsersMaximum 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 connectionsMaximum 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 RequestsLargest number of CGI requests simultaneously processed by the service since service startup.
Web, FTP Maximum ConnectionsThe 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 UsageMaximum number of bytes used for file cache.
Web Maximum ISAPI Extension RequestsLargest number of ISAPI extension requests simultaneously processed by the service since service startup.
Web, FTP Maximum NonAnonymous UsersThe 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 usageThe 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 AllocatedThe total amount of memory, in bytes, currently allocated by Active Server Pages.
Web Mkcol Requests/SecThe 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/SecThe rate HTTP requests using the MOVE method are made. Move requests are used for moving files and directories.
Web NonAnonymous Users/SecThe 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/SecThe 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/SecThe 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/SecThe 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/SecRate of HTTP requests using POST method; generally used for forms or gateway requests.
Web Propfind Requests/SecThe 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/SecThe 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/SecThe rate HTTP requests using the PUT method are made.
ASP Request Bytes In TotalThe total size, in bytes, of all requests.
ASP Request Bytes Out TotalThe total size, in bytes, of all responses sent to clients.This does not include the standard HTTP response headers.
ASP Request Execution TimeThe number of milliseconds that it took to execute the most recent request.
ASP Request Wait TimeThe number of milliseconds the most recent request was waiting in the queue.
ASP Requests DisconnectedThe number of requests that were disconnected due to communications failure.
ASP Requests ExecutingThe number of requests currently executing.
ASP Requests Failed TotalThe total number of requests failed due to errors, authorization failure, and rejections.
ASP Requests Not AuthorizedThe number of requests failed due to insufficient access rights.
ASP Requests Not FoundThe number of requests for files that were not found.
ASP Requests QueuedThe number of requests waiting for service from the queue.
ASP Requests RejectedThe total number of requests not executed because there were insufficient resources to process them.
ASP Requests SucceededThe number of requests that executed successfully.
ASP Requests Timed OutThe number of requests that timed out.
ASP Requests TotalThe total number of requests since the service was started.
ASP Requests/SecThe number of requests executed per second.
ASP Script Engines CachedThe number of script engines in cache.
Web Search Requests/SecThe 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 UptimeThe 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 DurationThe number of milliseconds that the most recent session persisted.
ASP Sessions CurrentThe number of sessions being serviced.
ASP Sessions Timed OutThe number of sessions timed out.
ASP Sessions TotalThe total number of sessions since the service was started.
ASP Template Cache Hit RateThe percentage of requests found in the ASP template cache, both in memory and persisted.
ASP Template NotificationsThe number of templates in the cache, both in memory and persisted, invalidated due to change notification.
ASP Templates CachedThe total number of ASP templates cached, both in memory and persisted (on disk).
IIS Global, Web Total Allowed Async I/O RequestsThe 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 UsersThe 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 CachedThe total number of BLOB information blocks ever added to the cache for WWW and FTP services.
IIS Global, Web Total Blocked Async I/O RequestsThe 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 RequestsThe 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 AttemptsThe 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 RequestsThe 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 UsersThe 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 connectionsThe 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 RequestsThe number of HTTP requests using the DELETE method.
IIS Global Total Files CachedThe total number of files whose content was ever added to the cache for WWW and FTP services.
Web, FTP Total Files ReceivedThe total number of files received by the Web service since the service started.
Web, FTP Total Files SentThe total number of files sent by the Web service since the service started.
Web, FTP Total Files TransferredThe 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 FilesTotal Flushed Files is the number of file handles that have been removed from the cache since service start up.
IIS Global Total Flushed URIsThe total number of URI information blocks that have been removed from the cache since service start up.
Web Total Get RequestsTotal 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 RequestsTotal 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 RequestsTotal 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 RequestsThe 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 ErrorsThe 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 AttemptsThe 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 RequestsThe number of total HTTP GET, POST, PUT, DELETE, TRACE, HEAD and other method requests.
Web Total Method Requests/SecThe rate HTTP requests using GET, POST, PUT, DELETE, TRACE or HEAD methods are made.
Web Total Mkcol RequestsThe 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 RequestsThe 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 UsersThe 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 ErrorsNumber 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 RequestsThe total number of HTTP requests using the OPTIONS method (counted since service startup).
Web Total Other Request MethodsThe 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 RequestsThe number of HTTP requests using the POST method. Post requests are generally used for forms or gateway requests.
Web Total Propfind RequestsThe 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 RequestsThe 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 RequestsThe number of HTTP requests using the PUT method.
IIS Global, Web Total Rejected Async I/O RequestsThe 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 RequestsThe 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 RequestsThe number of HTTP requests using the TRACE method.
Web Total Unlock RequestsThe 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 CachedThe total number of URI information blocks ever added to the cache for WWW and FTP services.
Web Trace Requests/SecThe rate of HTTP requests using the TRACE method are made.
ASP Transactions AbortedThe number of transactions aborted.
ASP Transactions CommittedThe number of transactions committed.
ASP Transactions PendingThe number of transactions in progress.
ASP Transactions TotalThe total number of transactions since the service was started.
ASP Transactions/SecThe number of transactions started per second.
Web Unlock Requests/SecThe 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 FlushesURI Cache Flushes since server startup.
IIS Global URI Cache HitsThe 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 MissesThe total number of unsuccessful lookups in the URI cache.

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