SSL
Knowledge Base
The request was aborted: Could not create SSL/TLS secure channel.
Fix TLS connection errors when using proxies or publishing updates through secure channels.
Knowledge Base
The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
Fix closed connection errors during update publishing by updating .NET protocols and server configs.
Knowledge Base
SCUP Catalog Download – The request was aborted: Could not create SSL/TLS secure channel -2146233079
Fix SCUP secure-channel error _2146233079 blocking catalog downloads and resume publishing.
Knowledge Base
Error: The process is not in background processing mode. ERROR: DownloadContentFiles() failed with hr=0x80070193
Resolve background processing errors in SCCM to keep update downloads running smoothly.
