Server Certificate Button Unavailable in IIS (306667)


The information in this article applies to:

  • Microsoft Internet Information Services 5.0
  • Microsoft Internet Information Services version 6.0
This article was previously published under Q306667

SYMPTOMS

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".

Note You may also see the IIS Manager close without error.

CAUSE

The Xenroll.dll file is not properly registered.

RESOLUTION

Xenroll.dll is located in the \Winnt\System32 directory. Follow these steps to reregister Xenroll.dll:
  1. Open Windows Explorer, expand the Winnt directory, and then click the System32 directory.
  2. Click Start, click Run, and then type Regsvr32 in the text box.
  3. 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.
  4. Click OK. A message box states that the Xenroll.dll registration is successful.

MORE INFORMATION

The Certwiz.ocx control wizard calls the Xenroll.dll dynamic-link library (DLL) when you click Server Certificate.

Steps to Reproduce the Behavior

  1. Open Windows Explorer, expand the Winnt directory, and then click the System32 directory.
  2. Click Start, click Run, and then type Regsvr32 /u in the text box.
  3. 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.
  4. Click OK. A message box states that the Xenroll.dll unregistration is successful.
  5. Open the IIS Service Manager Microsoft Management Console (MMC), right-click a Web site, and then click Properties.
  6. In the site property window, click the Directory Security tab.
  7. Click Server Certificate to open the IIS Certificate Wizard. You receive the error message that is described in the "Symptoms" section.

REFERENCES

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

228821 Generating a Certificate Request File Using the Certificate Wizard in IIS 5.0

290625 HOWTO: IIS5: How to Configure SSL in a Windows 2000 IIS 5 Test Environment Using Certificate Server 2.0

Modification Type:MajorLast Reviewed:6/30/2004
Keywords:kbpending kbprb KB306667
©2004 Microsoft Corporation. All rights reserved.