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In Internet Information Services (IIS) Manager; When I attempt to "Allow clients to upload files" (Default website -> Bits Uploads), I get the following error:

An error occurred while enabling BITS uploads. Please check the event log for more details about the exception. Exception Message: External component has thrown an exception

Am doing this for my SCCM 2012 server installation. So far I haven't got any help from the other forums!

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Umm... so, did you check the eventlog for more details about the exception? – Ansgar Wiechers Oct 8 '12 at 11:42
I did but it does no shows anything significant. Attempting the above discussed problem does not trgger any event. – Ashfaq Ahmad Shinwary Oct 8 '12 at 12:16
Furthermore the only ERROR in the eventlog with the keyword BITS is this one ... "Enabling BITS uploads for the virtual directory %2 failed with error %1. The error occurred while creating the cleanup task." And I have followed this resource for it but still to no avail! The problem persists. – Ashfaq Ahmad Shinwary Oct 8 '12 at 12:18

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