[sync] Error in communicating with ActiveSync server: Unknown Error

[Arjen de Korte]

This might be just noise in the logs, but in case it contains  
something useful, I'll post it anyway:

2013-03-10T08:46:13+01:00 ERR: HORDE [horde] Returning HTTP 500 [pid  
16346 on line 160 of "/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:13+01:00 ERR: HORDE [horde] Error in communicating  
with ActiveSync server: Unknown Error [pid 16346 on line 223 of  
"/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:13+01:00 ERR: HORDE [horde] #0  
/srv/www/htdocs/horde/rpc.php(157):  
Horde_Rpc_ActiveSync->getResponse(NULL)
#1 {main} [pid 16346 on line 224 of  
"/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:13+01:00 ERR: HORDE [horde] Buffer contents:  
^C^Aj^@EN^C4^@^A^A [pid 16346 on line 225 of  
"/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:15+01:00 ERR: HORDE [horde] Returning HTTP 500 [pid  
16848 on line 160 of "/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:15+01:00 ERR: HORDE [horde] Error in communicating  
with ActiveSync server: Unknown Error [pid 16848 on line 223 of  
"/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:15+01:00 ERR: HORDE [horde] #0  
/srv/www/htdocs/horde/rpc.php(157):  
Horde_Rpc_ActiveSync->getResponse(NULL)
#1 {main} [pid 16848 on line 224 of  
"/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]
2013-03-10T08:46:15+01:00 ERR: HORDE [horde] Buffer contents:  
^C^Aj^@EN^C4^@^A^A [pid 16848 on line 225 of  
"/usr/share/php5/PEAR/Horde/Rpc/ActiveSync.php"]

It looks like these messages are being logged when a phone resumes  
from manual- to push sync. There doesn't seem to be a problem with  
synchronization.