Re: server2003 isolation mode
This WebDNA talk-list message is from 2004
It keeps the original formatting.
numero = 58500
interpreted = N
texte = Here is a link to the Microsoft KB about this issue. http://support.microsoft.com/default.aspx?scid=kb;en-us;q311852 I have not seen any problems and I do not run in iis 5 isolation mode. I did notice that in iis 6, the WebcatService.exe and the DBServer.exe are both running as a service. In previous versions, only the WebCatService.exe was present. This makes me think that the DBServer.exe is running to process the READ_RAW_DATA similar to how iis 6 handles SSL. Also, the $WebCat.dll is both an Isapi Extension and an Isapi Filter. Microsoft recommends that developers use ISAPI extensions instead of ISAPI filters. Since $WebCat.dll is both ISAPI extension and ISAPI filter, maybe one is compensating for the other and therefore continues to function properly. Changes in ISAPI Filter Features In IIS 5.0, ISAPI filters run as the LocalSystem account in the Inetinfo.exe process and are guaranteed to be single-instanced. In IIS 6.0, this is no longer the case in worker process isolation mode. Because ISAPI filters now run in worker process, they are subject to all of the worker process behaviors: multi-instancing, having a configurable process identity, and recycling. ISAPI filters that register for SF_NOTIFY_READ_RAW_DATA notifications are not supported in worker process isolation mode; they must be executed in IIS 5.0 isolation mode to be compatible with IIS 6.0. Moving forward with development of ISAPI applications for IIS 6.0, it is recommended that developers use ISAPI extensions instead of ISAPI filters. IIS 6.0 extends the programming platform and includes support for multiple wildcard script maps and the HSE_REQ_EXEC_URL function, which allows ISAPI extensions to be used in the same way that ISAPI filters are typically used. In addition, ISAPI extensions are asynchronous (that is, can be run simultaneously), and thus are a better choice than ISAPI filters, which are synchronous (that is, must be run in sequence). Salvatore D'Anna DotNetNuke Hosting -----Original Message----- From: WebDNA Talk [mailto:WebDNA-Talk@talk.smithmicro.com] On Behalf Of Lester Sent: Sunday, June 20, 2004 11:29 AM To: WebDNA Talk Subject: server2003 isolation mode I sorta touched on this subject a week ago or so, but here's at it again . . . . I'm running webdna 4.5 on a new install of MS server2003 . . . I see this error in my event logs ============== An attempt was made to load filter 'c:\inetpub\scripts\WebCatalogEngine\$WebCat.dll' but it requires the SF_NOTIFY_READ_RAW_DATA filter notification and this notification is not supported in Worker Process Isolation Mode. =================== When I go into IIS and check the box "Run WWW service in IIS 5.0 isolation mode" everything seems to hang within a few minutes causing a reboot and the unchecking of that option to bring things back to normal. My question(s): 1) Is this event log error only appearing because I have version 4.5??? 2) Is anyone else getting this same kinda event log error entry with their versions of webdna on server2003??? 3) If I just leave it all as is, is performance going to suffer??? Eveything seems to be OK, but seeing that error in the logs every time I go there makes me wonder . . . . Thanks Lester __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Here is a link to the Microsoft KB about this issue. http://support.microsoft.com/default.aspx?scid=kb;en-us;q311852 I have not seen any problems and I do not run in iis 5 isolation mode. I did notice that in iis 6, the WebcatService.exe and the DBServer.exe are both running as a service. In previous versions, only the WebCatService.exe was present. This makes me think that the DBServer.exe is running to process the READ_RAW_DATA similar to how iis 6 handles SSL. Also, the $WebCat.dll is both an Isapi Extension and an Isapi Filter. Microsoft recommends that developers use ISAPI extensions instead of ISAPI filters. Since $WebCat.dll is both ISAPI extension and ISAPI filter, maybe one is compensating for the other and therefore continues to function properly. Changes in ISAPI Filter Features In IIS 5.0, ISAPI filters run as the LocalSystem account in the Inetinfo.exe process and are guaranteed to be single-instanced. In IIS 6.0, this is no longer the case in worker process isolation mode. Because ISAPI filters now run in worker process, they are subject to all of the worker process behaviors: multi-instancing, having a configurable process identity, and recycling. ISAPI filters that register for SF_NOTIFY_READ_RAW_DATA notifications are not supported in worker process isolation mode; they must be executed in IIS 5.0 isolation mode to be compatible with IIS 6.0. Moving forward with development of ISAPI applications for IIS 6.0, it is recommended that developers use ISAPI extensions instead of ISAPI filters. IIS 6.0 extends the programming platform and includes support for multiple wildcard script maps and the HSE_REQ_EXEC_URL function, which allows ISAPI extensions to be used in the same way that ISAPI filters are typically used. In addition, ISAPI extensions are asynchronous (that is, can be run simultaneously), and thus are a better choice than ISAPI filters, which are synchronous (that is, must be run in sequence). Salvatore D'Anna DotNetNuke Hosting -----Original Message----- From: WebDNA Talk [mailto:WebDNA-Talk@talk.smithmicro.com] On Behalf Of Lester Sent: Sunday, June 20, 2004 11:29 AM To: WebDNA Talk Subject: server2003 isolation mode I sorta touched on this subject a week ago or so, but here's at it again . . . . I'm running webdna 4.5 on a new install of MS server2003 . . . I see this error in my event logs ============== An attempt was made to load filter 'c:\inetpub\scripts\WebCatalogEngine\$WebCat.dll' but it requires the SF_NOTIFY_READ_RAW_DATA filter notification and this notification is not supported in Worker Process Isolation Mode. =================== When I go into IIS and check the box "Run WWW service in IIS 5.0 isolation mode" everything seems to hang within a few minutes causing a reboot and the unchecking of that option to bring things back to normal. My question(s): 1) Is this event log error only appearing because I have version 4.5??? 2) Is anyone else getting this same kinda event log error entry with their versions of webdna on server2003??? 3) If I just leave it all as is, is performance going to suffer??? Eveything seems to be OK, but seeing that error in the logs every time I go there makes me wonder . . . . Thanks Lester __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/ __________ NOD32 1.791 (20040618) Information __________ This message was checked by NOD32 Antivirus System. http://www.nod32.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
"Sal D'Anna"
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