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Shanmugam Rajagopal

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Proxy error connecting to HTTPS site

Hi, I have a weblogic server running with different port numbers for HTTP and HTTPS. In our workstation we setup HTTP pointing to same port in the ISSPROXY.INI file. We could access from the local IIS URL to connect to the weblogic server; but when try to connect to secured server from IIS gets 2 different errors in the event viewer Event ID 1000 and Event ID 1001. below are the errors captured

EVENT ID 1000:

Faulting application name: w3wp.exe, version: 8.5.9600.16384, time stamp: 0x5215df96
Faulting module name: iisproxy.dll, version:, time stamp: 0x59966438
Exception code: 0xc0000005
Fault offset: 0x0000000000030410
Faulting process id: 0x2514
Faulting application start time: 0x01d35a3fff6328df
Faulting application path: c:\windows\system32\inetsrv\w3wp.exe
Faulting module path: \\?\C:\xxxxxx\XXXXXXXXX\lib\iisproxy.dll
Report Id: 3dddc54c-c633-11e7-812e-005056886b10
Faulting package full name:
Faulting package-relative application ID:

EVENT ID: 1001

Fault bucket , type 0
Event Name: APPCRASH
Response: Not available
Cab Id: 0

Problem signature:
P1: w3wp.exe
P2: 8.5.9600.16384
P3: 5215df96
P4: iisproxy.dll
P6: 59966438
P7: c0000005
P8: 0000000000030410

Attached files:

These files may be available here:

Our iisproxy.ini has the below information:


WebLogicPort= ssl-port
WLSSLWallet=<path for wallet>

Thanks for your help in advance.
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Please take a look at Application event log for any warnings/errors at the time of above mentioned ones.
Have you tried to update Weblogic plugin extension? (

There are some support notes in Oracle support about this plugin problems, one of them is Doc ID 1970258.1:

Oracle WebLogic Server - Version to [Release 11g to 12c]
Microsoft Windows x64 (64-bit)

IIS Proxy Plug-in crashes with Access Violation Error.

This is a known issue in the IIS proxy plug-in version and 12.1.3

Replace the old plug-in with the fixed plug-in by downloading it from My Oracle Support using patch number 18026274

Could you bring some light on versions used in your deployment? What is Weblogic version, IIS (w3wp.exe build number seems to be IIS 8.5 but I'm not 100% sure) and Windows.

If nothing obvious is in these logs and new drivers is failing I'm afraid it is necessary to look at memory dump which was generated (event 1001).

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Shanmugam Rajagopal

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