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Article ID: 306667 - Last Review: December 3, 2007 - Revision: 5.3
Server Certificate button unavailable in IIS
This article was previously published under Q306667
When you try to generate a certificate request by using the
Internet Information Services (IIS) Certificate Wizard from the properties of a
site, the
Server Certificate button may be unavailable or you may receive an error message
similar to the following:
The Instruction at
"0X64e6a38e" referenced memory at 0X00000000. The memory could not be "read".
You may also see the IIS Manager close without
error.
The Xenroll.dll file is not properly registered.
Xenroll.dll is located in the \Winnt\System32 directory.
Follow these steps to reregister Xenroll.dll:
- Open Windows Explorer, expand the Winnt directory, and then click the System32 directory.
- Click Start, click Run, and then type Regsvr32 in the text
box.
- In Windows Explorer, locate Xenroll.dll in the
\Winnt\System32 directory, and then drag Xenroll.dll into the text box that is
described in step 2.
- Click OK. A message box states that the Xenroll.dll registration is
successful.
If registering the Xenroll.dll file does not resolve this issue, register the following additional files by using the same steps:
- \%systemroot%\system32\inetsrv\certmap.ocx
- \%systemroot%\system32\inetsrv\certwiz.ocx
Close the IIS Properties window, and then open the Web site properties. Verify that you can create a certificate request.
The Certwiz.ocx control wizard calls the Xenroll.dll
dynamic-link library (DLL) when you click
Server Certificate.
Steps to reproduce the behavior
- Open Windows Explorer, expand the Winnt directory, and then
click the System32 directory.
- Click Start, click Run, and then type Regsvr32 /u in the text
box.
- In Windows Explorer, locate Xenroll.dll in the
\WINNT\System32 directory, and then drag Xenroll.dll into the text box that is
described in step 2.
- Click OK. A message box states that the Xenroll.dll unregistration is
successful.
- Open the IIS Service Manager Microsoft Management Console
(MMC), right-click a Web site, and then click Properties.
- In the site property window, click the Directory Security tab.
- Click Server Certificate to open the IIS Certificate Wizard. You receive the error message
that is described in the "Symptoms" section.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
228821Â
(http://kbalertz.com/Feedback.aspx?kbNumber=228821/
)
Generating a certificate request file using the Certificate Wizard in IIS 5.0
290625Â
(http://kbalertz.com/Feedback.aspx?kbNumber=290625/
)
How to configure SSL in a Windows 2000 IIS 5.0 test environment by using Certificate Server 2.0
APPLIES TO
- Microsoft Internet Information Services 5.0
- Microsoft Internet Information Services 6.0
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