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Clients cannot communicate with management point

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I am currently having issues with clients not communicating with my management point server. It seems this all started late last night and I have been unable to pinpoint the issue. I am also fairly new to this so it may be a simple fix I am overlooking. We were alerted to this problem by SCOM messages "No Active Management Point Candidates Detected"



So far I have done the following:

Verified no certificates were expired

Unchecked CRL Check for clients

Switched site back to HTTP or HTTPS

Uninstall/Reinstalled MP/IIS



All the client logs look like this:



Failed to send management point list Location Request Message to <servername>

Failed to refresh security settings over MP with error 0x80004005.

Executing Task LSSiteRoleCycleTask

No security settings update detected.

2 assigned MP errors in the last 10 minutes, threshold is 5.
The server logs look like this:
>>> Selected Certificate [Thumbprint 85c4ede525559b070827a496de642f080d5d35d9] issued to 'Servername' for HTTPS Client Authentication
Call to HttpSendRequestSync succeeded for port 443 with status code 200, text: OK
Sent summary record of SMS Management Point on ["Display=\\servername\"]MSWNET:["SMS_SITE=XXX"]\servername\ to \\servername\SMS_XXX\inboxes\sitestat.box\9h9un5x8.SUM, Availability 0, 524285948 KB total disk space , 372624436 KB free disk space, installation state 0.
Http test request succeeded.
Successfully performed Management Point availability check against local computer.
SSL is enabled.
Client authentication is also enabled.
I am recieving alot of errors in the BGBServer.log
ERROR: Can't find specified certificate in cert store My with cert hash 84D822B3BCC3A55B99E8E70ADB92E7C93A6D12FE...
ERROR: Can't encode to get signature in message without signing certificate
ERROR: Failed to encode Microsoft.ConfigurationManager.BgbServerChannel.BgbSignInConfirmMessage message.
ERROR: Failed to build SignInConfirm message for the client. ClientAddress: IP
SCCM 2012 R2 SP1 CU1
3 Servers (All Server 2012):
1 SiteServer with MP
1 Distribution Point
1 DB Server

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