--- title: "IIS Error: The requested resource is in use." slug: "iis-error-the-requested-resource-is-in-use" updated: 2024-04-02T13:15:42Z published: 2024-04-02T13:15:42Z canonical: "kb.pharos.com/iis-error-the-requested-resource-is-in-use" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.pharos.com/llms.txt > Use this file to discover all available pages before exploring further. # IIS Error: The requested resource is in use. When you try to view a Microsoft Active Server Pages (ASP) Web page that is hosted on Microsoft IIS 5.0 or IIS 6.0, you may receive one of the following error message: "The requested resource is in use" "HTTP 500: Internal Server Error" "Error message 2: RPC server is unavailable" --- This issue may occur if one or more of the following files is not registered correctly: - Asp.dll - Vbscript.dll - Jscript.dll - Oleaut.dll To resolve this issue, register these files. To do this, follow these steps: 1. Click Start, click Run, type regsvr32 %systemroot%\system32\inetsrv\asp.dll, and then click OK. 2. Click Start, click Run, type regsvr32 %systemroot%\system32\vbscript.dll, and then click OK. Note: If the ASP Web page does not contain Jscript code, go to step 5. 3. Click Start, click Run, type regsvr32 %systemroot%\system32\jscript.dll, and then click OK. 4. Click Start, click Run, type regsvr32 %systemroot%\system32\oleaut.dll, and then click OK. 5. Click Start, click Run, type iisreset, and then click OK. ## Related - [Pharos Database Service fails to start with Event log Error: Caught a general error with message 'Cannot open database requested in login 'pharos'. Login fails.](/pharos-database-service-fails-to-start-with-event-log-error-caught-a-general-error-with-message-cannot-open-database-requested-in-login-pharos-login-fails.md) - [Spool files are sometimes not deleted from the spool folder.](/spool-files-are-sometimes-not-deleted-from-the-spool-folder.md) - [Blueprint: Resolving Active Directory Authentication Problems When Using the Standard Authentication Method](/blueprint-resolving-active-directory-authentication-problems-when-using-the-standard-authentication-method.md) - [Pharos Blueprint: Unable to launch Blueprint Administrator or the Blueprint Server Configuration utility on a Blueprint Collector or Analyst. Numerous messages about the server going offline and coming back online.](/pharos-blueprint-unable-to-launch-blueprint-administrator-or-the-blueprint-server-configuration-utility-on-a-blueprint-collector-or-analyst-numerous-messages-about-the-server-going-offline-and-coming-back-online.md)