Suddenly PRTG has stopped monitoring all my Microsoft 365 services, I get this error, please advise me:
The sensor could not connect to Microsoft 365. ChilkatLog: Connect: DllDate: Nov 28 2021 ChilkatVersion: 9.5.0.89 VerboseLogging: 0 restConnect: domain_or_ip: graph.microsoft.com socket2Connect: connect2: connectImplicitSsl: clientHandshake: clientHandshake2: ProcessHelloRetryRequest: readHandshakeMessages: WindowsError: An established connection was aborted by the software in your host machine. WindowsErrorCode: 0x2745 maxToReceive: 5 Failed to receive data on the TCP socket Failed to read beginning of SSL/TLS record. b: 0 dbSize: 0 nReadNBytes: 0 idleTimeoutMs: 30000 --readHandshakeMessages --ProcessHelloRetryRequest --clientHandshake2 --clientHandshake Client handshake failed. (3) --connectImplicitSsl connectFailReason: 129 ConnectFailReason: 129 --connect2 --socket2Connect --restConnect ip_or_domain: graph.microsoft.com port: 443 tls: True Failed. --Connect --ChilkatLog
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