Asp.net Excel export error: Search com class factory CLSID is...

After the previous article "Export Excel using templates" was released locally, an error was reported after it was published on the server. Therefore, I collected some information from the Internet and sorted it as follows:

Configuration

Failed to retrieve components whose CLSID is {000209ff-0000-0000-c000-000000000046} in the com class factory because of the following error: 80070005.

Control Panel-> Administrative Tools-> component services-> Computer-> my computer-> DCOM configuration-> Microsoft Word documents
After
Click properties to open the applicationProgramProperties dialog box.
Click the "Security" tab, select "Custom" in the "Start and activate Permissions" and "Access Permissions" groups, and then
Custom-> edit-> Add ASP. NET account and iuser _ computer name

* These accounts only exist when IIS is installed on the computer.
13. Make sure that each user is allowed to access the service and click OK.
14. Click OK to disable dcomcnfg.

2. Set the web. <identity impersonate = "true" username = "Administrator" Password = "51 aspx"/> account and password in config, otherwise, a message indicating that the component whose CLSID is {000209ff-0000-0000-c000-000000000046} in the com class factory fails to be retrieved because of the following error: 80070005.

The system. componentmodel. win32exception message is displayed, indicating that access is denied.

For example

<System. Web>

<Identity impersonate = "true" username = "Administrator" Password = "chuguo186"/>

</System. Web>

 

Failed to retrieve components whose CLSID is {000209ff-0000-0000-c000-000000000046} in the com class factory because of the following error: 8000401a.

Run dcomcnfg to open the component service,

Expand "component service"> "computer"> "my computer"> "DCOM configuration" in turn"

Find "Microsoft Excel application" or "Microsoft Word application ",

Right-click the Properties dialog box and click the "ID" tab,

Click "The following users" to enter the Administrator's user password correctly...

Click the "Security" tab,

Select "Start and activate Permissions", "Access Permissions", and "Configure permissions" as custom