SCCM errrors and solutions

Error:
 Failed to get DP locations as the expected version from MP 'MPname'. Error 0x87d00215
Solution:

adding boundary Groups to distribution point resolved my issue.
-Administration-->Site configuration-->servers and site system roles-->right click on Distribution point-->properties-->boundary groups and add the boundary group in which the client computer was residing

other settings to check

Select the site under administration > site configuration > sites

- Opened Hierarchy Settings (second button on top left corner)

- Enabled the "Use a fallback site" checkbox and selected my only site from the list

-Create a boundary group and add the IP ranges/AD sites in which the client computer objects resides

Resolved: SCCM 1702 updates synchronization issues

After installing WSUS role and adding the Software Update Point, SCCM was not synchronizing with Microsoft updates server/not getting the updates from Microsoft update Server. getting the following errors in SCCM logs (WCM and Wsyncmgr)

1:
"wsus synchronization failed 6703"

2:

"Sync failed: WSUS update source not found on site 101. Please refer to WCM.log for configuration error details.. Source: getSiteUpdateSource"
in SCCM-->Monitoring--->Software update point--->critical events

3:
" WSUS Synchronization failed.
 Message: WSUS update source not found on site 101. Please refer to WCM.log for configuration error details..
 Source: getSiteUpdateSource.
  The operating system reported error 2147500037: Unspecified error "

4:
"WSUS Configuration Manager failed to subscribe to update categories and classifications on WSUS Server "ServerName"."

After unchecking the Windows 7 Language Pack and restarting the synchronization the issue was resolved.